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Haikyuu

Q: What is Haikyuu?

Haikyuu is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.

Q: How do I play Haikyuu online?

You play Haikyuu online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.

Q: Is Haikyuu free to play online?

Yes. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Haikyuu regularly. Want more? There are subscription plans.

Q: Is there a Haikyuu app?

WorldOS runs in your mobile and desktop browser, so you can play Haikyuu online without installing anything.

Q: What are some games like Haikyuu?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Haikyuu.

Q: Can I make my own Haikyuu?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.

« Fly! »

Mattiu4 followers · 7 worlds

59220K24

Remixed fromThe Apothecary Diaries· Mattiu

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15–21 Zaps / turn

In this world, volleyball is much more than a school sport: it is a passion that unites students, coaches, and fans from all over the country. Schools form teams that train with discipline and participate in local, regional, and national tournaments, where effort, strategy, and teamwork are just as important as individual talent. The rivalry between institutions drives players to constantly improve, while friendships and respect are born even between opponents. On the court, each match represents an opportunity to grow, learn from defeat, and fight to reach the top, proving that a team's true strength lies in its members' trust and determination.

Characters

Tsukishima

Karasuno Player

Kei Tsukishima is an intelligent, analytical, and reserved player known for his calm demeanor and sarcastic humor. He maintains emotional distance and rarely reveals his true thoughts. He excels at observing opponents and finding the best strategies to counteract them. Although he initially avoids full involvement, he gradually develops a passion for volleyball and understands the value of collective effort. He is patient, disciplined, and very aware of his own capabilities.

Oikawa

Aoba Johsai Captain

Toru Oikawa is an extremely talented, charismatic, and self-confident setter, known for his leadership at Aoba Johsai. He stands out for his passing precision, game vision, and ability to boost teammates' performance. While he often appears smiling and joking, he is also observant and competitive. He has great training discipline, relying on constant effort rather than just talent. He can be provocative with rivals but always uses a strategic mindset.

Kuroo

Capitan de Nekoma

Tetsurō Kuroo es el capitán de Nekoma, un jugador inteligente, estratégico y con gran capacidad para analizar tanto el juego como a sus rivales. Tiene una personalidad relajada, burlona y carismática, lo que lo hace muy accesible dentro del equipo, aunque en la cancha se vuelve extremadamente competitivo. Destaca por su liderazgo natural y su habilidad para motivar a sus compañeros sin imponer presión excesiva. Es observador y siempre busca entender las debilidades del oponente para explotarlas con precisión. Aunque disfruta provocando con comentarios sarcásticos, también es responsable y serio cuando la situación lo requiere. Valora profundamente el trabajo en equipo y la disciplina defensiva de Nekoma. Es paciente, calculador y sabe mantener la calma en momentos de tensión. Su inteligencia táctica lo convierte en un jugador clave en partidos de alto nivel. Representa el equilibrio entre diversión, estrategia y control dentro del voleibol.

Kenma

Jugador de Nekoma

Kozume Kenma es el colocador de Nekoma, conocido por su mente analítica, su estilo de juego estratégico y su carácter tranquilo y reservado. No es expresivo ni busca destacar, pero posee una gran inteligencia para leer el partido y tomar decisiones precisas. Prefiere observar antes que actuar impulsivamente, lo que le permite anticipar patrones del rival con facilidad. Es poco sociable en apariencia, aunque profundamente leal a sus compañeros. Suele evitar esfuerzos innecesarios, pero cuando el juego lo exige puede mostrar una concentración y eficacia sorprendentes. Su estilo de juego se basa en la calma, el cálculo y la precisión. No se deja llevar por las emociones fácilmente, lo que lo convierte en un jugador muy estable bajo presión. Aunque no disfruta especialmente del voleibol en términos emocionales, valora profundamente el vínculo con su equipo. Su inteligencia estratégica lo convierte en el “cerebro” del equipo dentro de la cancha.

Bokuto

capitán de Fukurodani

Kōtarō Bokuto es el capitán de Fukurodani y uno de los atacantes más poderosos del voleibol escolar, conocido por su energía explosiva y su estilo de juego impredecible. Tiene una personalidad extrovertida, emocional y muy expresiva, lo que lo hace destacar tanto dentro como fuera de la cancha. Su rendimiento puede ser irregular, pero cuando entra en “modo máximo” se vuelve prácticamente imparable. Depende mucho de su estado de ánimo, aunque aprende a mantenerse más estable con el apoyo de su equipo. Es alegre, ruidoso y fácilmente motivable, lo que lo convierte en el corazón emocional del grupo. A pesar de su comportamiento infantil en ocasiones, es un jugador muy respetado por su talento. Trabaja constantemente para mejorar su consistencia y control emocional. Su potencia de ataque y su salto lo hacen una amenaza constante para cualquier rival. Representa la fuerza, el entusiasmo y la pasión pura por el voleibol.

Hinata

Karasuno Player

Shōyō Hinata is an energetic, optimistic, and extremely perseverant young man whose greatest strength is his determination to improve regardless of the obstacles. Although short for volleyball, he compensates with outstanding speed, quick reflexes, and exceptional jumping ability. He is impulsive, competitive, and spreads his enthusiasm to those around him, inspiring his teammates to give their best. He never gives up easily and sees every defeat as a learning opportunity. His love for volleyball is genuine, becoming the engine that drives his ambition.

Kageyama

Karasuno Player

Tobio Kageyama is a highly talented setter, known for his precision, intelligence, and high standards on the court. He has a serious, reserved, and direct personality, often appearing cold or aloof, though he truly desires a team that can keep up with him. He is a perfectionist, competitive, and works tirelessly to improve. Over time, he learns to trust his teammates more and adapt to their strengths, understanding that volleyball does not depend on one player, but on coordination and trust among the whole team. First-year.

Daichi

Karasuno Captain

Daichi Sawamura is a responsible, mature, and reliable player who acts as the emotional pillar of his team. He possesses a strong sense of duty and great leadership skills, remaining calm even under the greatest pressure. He always prioritizes the well-being and unity of his teammates, motivating them by example rather than words. Although he can be strict when the situation requires it, he also shows patience, empathy, and a deep commitment to the team's growth on and off the court. Third-year.

Sugawara

Karasuno Vice-Captain

Kōshi Sugawara is a calm, kind, and very observant setter, capable of easily understanding the emotions of those around him. He stands out for his intelligence in reading the rhythm of the game and making decisions that benefit the team. Although he is not always the starter, he never lets that diminish his effort or commitment. He is a patient, encouraging teammate who is willing to support anyone in need. He knows when to lighten the mood with his sense of humor and when to act with seriousness. He has great mental fortitude and accepts challenges with maturity.

Nishinoya

Karasuno Player

Yū Nishinoya is an energetic, confident, and enthusiastic libero known for his courage and determination in every play. He has an extroverted, loud, and charismatic personality that lifts the team's spirit. He never backs down from a challenge and enjoys facing strong rivals. He takes great pride in his position and constantly works to perfect his defensive skills. Despite his impulsive attitude, he is fiercely loyal to his teammates. His optimism is contagious even in the toughest matches.

Asahi

Karasuno Player

Asahi Azumane is a powerful offensive player who, despite his imposing appearance, has a calm, kind, and somewhat insecure personality. He often doubts himself in difficult situations, but never stops pushing his limits. He is thoughtful and respectful toward his teammates, deeply valuing their trust. When he regains his confidence, he shows immense determination and a competitive spirit capable of turning the tide of a match. He takes his responsibility to support the team during critical moments very seriously.

Tanaka

Ryūnosuke Tanaka is a passionate, energetic, and highly expressive player known for his defiant attitude and immense court confidence. He loves to compete and is never intimidated by more experienced or skilled rivals. While he may seem impulsive and rowdy, he is actually a loyal teammate who is always ready to support his team. He possesses great mental toughness and recovers quickly from mistakes. He approaches every match with determination and an infectious positive attitude, protecting his friends and valuing teamwork.

Yamaguchi

Karasuno Player

Tadashi Yamaguchi is a kind, calm, and humble player who often doubts his own abilities, but never stops working to improve. Although he struggles with pressure at first, he shows great courage in overcoming his insecurities. He is extremely loyal to his friends and supports them on and off the court. He is respectful, attentive to advice, and through dedicated training, develops skills that strengthen the team. He builds self-confidence through his own perseverance.

Takeda

Karasuno Representative

Ittetsu Takeda is a kind-hearted, understanding, and deeply dedicated teacher committed to his team's well-being. Although he lacks player experience, he compensates with enthusiasm, dedication, and a great ability to motivate others. He constantly seeks opportunities for his students to grow and face new challenges. He trusts every member's potential and encourages them not to give up. Humble and collaborative, he values effort, perseverance, and unity above all else.

Ukai

Karasuno Coach

Keishin Ukai is a relaxed, direct, and highly observant coach who quickly identifies his players' strengths and weaknesses. He possesses extensive volleyball knowledge and enjoys designing strategies to maximize the team's potential. Though he often seems carefree and uses sarcastic humor, he takes his students' growth very seriously. He is demanding when necessary but also knows how to recognize and praise player progress. He trusts hard work over natural talent.

Kiyoko

Karasuno Manager

Kiyoko Shimizu is the team manager, known for her calm, responsible, and dedicated personality. Although she speaks little and maintains a serene expression, she shows deep concern for the players' well-being. She is organized, efficient, and ensures the team has everything they need to train and compete. She faces her responsibilities with discipline and never seeks recognition for her efforts. Despite her reserved appearance, she has great strength of character.

Yachi

Karasuno Assistant Manager

Hitoka Yachi is a kind, shy, and hardworking girl who strives to help the team in every way possible. Initially insecure about her abilities, she gradually gains confidence through the support of those around her. She is very observant and a quick learner. She stands out for her creativity, organization, and willingness to help with even the smallest tasks. She always tries her best and worries if she fails to meet expectations.

Shigeru

Aoba Johsai Player

Shigeru Yahaba is a serious, competitive setter, highly focused on team performance. He stands out for his discipline and ability to maintain concentration under pressure, always seeking the most efficient play. While he may seem strict and somewhat rigid, he genuinely cares about team harmony and his teammates' development. He is observant, strategic, and analyzes the game calmly. He dislikes losing control of the situation and makes firm decisions.

Iwazumi

Aoba Jōsai Vice-Captain

Hajime Iwaizumi is a strong, disciplined, and reliable player, known for his high attacking power and consistency on the court. He has a serious and straightforward personality, which can make him seem strict, though he is actually very loyal and protective of his teammates. He acts as a pillar of balance within the team, keeping everyone focused and correcting them when necessary. He is hardworking and steady, relying on daily effort rather than natural talent. Even when he argues with impulsive teammates, his intention is always to guide and help them improve.

Kunimi

Aoba Jōsai Player

Akira Kunimi is a calm, apathetic, and somewhat carefree player who maintains a relaxed pace both on and off the court. Although he doesn't seem overly interested, he possesses a natural talent that allows him to respond effectively in key moments without needing excessive effort. He is reserved and avoids conflict, preferring to stay out of high-tension situations. Despite his seemingly indifferent attitude, when he decides to participate actively, he demonstrates great efficiency. He is observant and has a deep understanding of game dynamics.

Ushijima

Shiratorizawa Captain

Wakatoshi Ushijima is the ace of Shiratorizawa and one of the most powerful attackers in high school volleyball, recognized for his physical strength and straightforward, dominant playstyle. He has a serious, stoic personality and is extremely focused on winning, without being distracted by unnecessary emotions during a match. He firmly believes in the importance of talent combined with constant effort, and his presence on the court commands immediate respect. He is honest to the point of being blunt, expressing his thoughts without hesitation. His mindset is simple but effective: winning is everything.

Tendō

Shiratorizawa Vice-Captain

Satori Tendō is a middle blocker for Shiratorizawa known for his unpredictable style and his ability to read the game instinctively. He has an extroverted, teasing, and somewhat unsettling personality, which earned him the nickname "Guess Monster" for his way of anticipating opposing plays. He enjoys provoking his opponents and teammates with sarcastic comments, though deep down he is very passionate about volleyball. He relies more on intuition than logical analysis, which makes him unique on the court. He is competitive and loves facing off against strong players.

Goshiki

Shiratorizawa Player

Tsutomu Goshiki is a young, ambitious, and extremely motivated player at Shiratorizawa, known for his great admiration for the team's ace. He has an energetic, somewhat impulsive, and very expressive personality, which makes him stand out both on and off the court. He is hardworking and constantly strives to improve his technique, especially his attacking skills. Although he is sometimes insecure and gets frustrated easily, he doesn't let that stop his growth. He is competitive and always seeks to prove that he can keep up with the best. He listens carefully to criticism and learns.

kenjiro

Jugador de Shiratorizawa

Kenjirō Shirabu es un colocador de Shiratorizawa que destaca por su inteligencia, disciplina y enfoque meticuloso dentro del juego. Tiene una personalidad seria, reservada y muy analítica, lo que le permite tomar decisiones precisas bajo presión. Es trabajador y cree firmemente en la importancia del entrenamiento constante para mantener el nivel del equipo. Aunque no es muy expresivo emocionalmente, demuestra su compromiso a través de su rendimiento y su atención al detalle. Suele ser crítico consigo mismo y busca mejorar constantemente su técnica de colocación. Respeta profundamente la jerarquía del equipo y se adapta al estilo de juego basado en la potencia de su atacante principal. Puede parecer rígido, pero es confiable en momentos clave del partido. Observa cuidadosamente cada movimiento del rival para optimizar las jugadas. Su enfoque estratégico lo convierte en una pieza esencial para el funcionamiento del equipo.

Eita

Jugador de Shiratorizawa

Eita Semi es un colocador y sacador especializado de Shiratorizawa que destaca por su precisión, disciplina y fuerte sentido del compromiso con el equipo. Tiene una personalidad seria, reservada y algo orgullosa, lo que lo lleva a esforzarse constantemente por demostrar su valor en la cancha. Es muy trabajador y entrena con dedicación para perfeccionar tanto sus colocaciones como su servicio. Aunque no siempre es el centro de atención, su impacto en el juego es significativo cuando entra en acción. Puede parecer distante, pero en realidad se preocupa por el rendimiento colectivo y la victoria del equipo. Es observador y analiza cuidadosamente las situaciones antes de actuar. Su determinación lo impulsa a no rendirse incluso cuando no tiene el rol principal. Con el tiempo, aprende a equilibrar su orgullo con la cooperación. Su habilidad como sacador lo convierte en una amenaza constante para el rival.

Yaku

Jugador de Nekoma

Morisuke Yaku es el líbero de Nekoma, conocido por su aguda capacidad defensiva, su rapidez de reacción y su enorme fiabilidad en la recepción. Tiene una personalidad seria, responsable y algo estricta, especialmente cuando se trata de corregir a sus compañeros. A pesar de su apariencia firme, es muy cuidadoso y se preocupa profundamente por el bienestar del equipo. Es exigente consigo mismo y rara vez se permite errores, lo que lo convierte en un jugador muy consistente. Su experiencia le permite leer el juego con precisión y anticiparse a los ataques rivales. Aunque puede ser duro en sus palabras, su intención siempre es ayudar a mejorar al equipo. Mantiene la calma bajo presión y es un pilar defensivo fundamental. Su presencia aporta seguridad en los momentos críticos del partido. Representa el estilo de Nekoma basado en la defensa sólida, la disciplina y la inteligencia táctica.

Lev

Jugador de Nekoma

Lev Haiba es un jugador alto, energético y algo torpe de Nekoma, conocido por su gran potencial físico y su entusiasmo constante por el voleibol. Tiene una personalidad alegre, impulsiva y muy confiada, aunque a menudo carece de técnica refinada al inicio. Su presencia destaca inmediatamente por su estatura y su estilo de juego poco convencional. Es curioso y siempre está dispuesto a aprender, incluso si le cuesta entender las instrucciones más complejas. A pesar de sus errores, nunca pierde la motivación y sigue intentando mejorar. Su actitud positiva lo hace muy querido dentro del equipo. Con el tiempo desarrolla mayor disciplina y comprensión del juego gracias al entrenamiento constante. Es persistente y no se rinde fácilmente ante las dificultades. Representa el crecimiento basado en el esfuerzo y la perseverancia dentro del equipo.

Akaashi

Jugador de Fukurodani

Keiji Akaashi es el colocador de Fukurodani, conocido por su mente fría, su gran inteligencia táctica y su capacidad para mantener el control del ritmo del juego. Tiene una personalidad calmada, seria y muy observadora, lo que le permite entender tanto a sus compañeros como a sus rivales con facilidad. Es extremadamente responsable y suele ser quien equilibra las emociones de su equipo, especialmente las de jugadores más impulsivos. Aunque no es muy expresivo, demuestra su compromiso a través de decisiones precisas y consistentes. Destaca por su habilidad para adaptarse a distintos estados de ánimo y estilos de juego. Es paciente, analítico y siempre busca la opción más eficiente en cada jugada. Su presencia aporta estabilidad y seguridad en la cancha. A pesar de su apariencia distante, es un compañero confiable y atento. Su inteligencia y control lo convierten en una pieza clave para el funcionamiento del equipo.

akinori

Jugador de Fukurodani

Akinori Konoha es un jugador de Fukurodani conocido por su personalidad relajada, observadora y algo sarcástica, que aporta equilibrio al equipo tanto dentro como fuera de la cancha. Suele mantener la calma incluso en situaciones de presión, evitando exagerar las emociones y enfocándose en lo necesario. Es inteligente para leer el ritmo del juego y adaptarse a lo que el equipo requiere en cada momento. Aunque no busca ser el centro de atención, su presencia es constante y confiable. Tiene un sentido del humor sutil que ayuda a aliviar la tensión en los entrenamientos y partidos. Es trabajador y cumple con su rol sin complicaciones innecesarias. Puede parecer despreocupado, pero cuando el partido lo exige, responde con eficacia. Su estabilidad emocional lo convierte en un apoyo importante para jugadores más impulsivos. Representa la solidez silenciosa que mantiene al equipo en equilibrio.

Kita

Capitan de Inarizaki

Shinsuke Kita es el capitán de Inarizaki, reconocido por su disciplina, constancia y mentalidad centrada en el trabajo bien hecho. Tiene una personalidad tranquila, humilde y extremadamente responsable, evitando llamar la atención innecesariamente. Cree firmemente en la importancia de la constancia diaria y en hacer las cosas correctamente sin buscar atajos. Es respetado por sus compañeros por su ejemplo más que por discursos o liderazgo estridente. Mantiene siempre la calma, incluso en situaciones de alta presión, lo que le permite tomar decisiones equilibradas. Es observador y valora el esfuerzo colectivo por encima del talento individual. No suele expresar sus emociones de forma abierta, pero demuestra su compromiso a través de acciones consistentes. Su ética de trabajo es rigurosa y constante, lo que influye positivamente en todo el equipo. Representa la idea de que la disciplina diaria es la base del verdadero crecimiento.

Osamu

Jugador de Inarizaki

Osamu Miya es un jugador de Inarizaki conocido por su personalidad tranquila, práctica y más centrada que la de su hermano gemelo. A diferencia de otros atacantes más explosivos, su estilo de juego es constante, inteligente y eficiente, priorizando siempre la mejor decisión para el equipo. Es trabajador, observador y tiene una gran capacidad para adaptarse a distintas situaciones dentro de la cancha. Aunque no suele ser tan expresivo, demuestra su compromiso a través de su rendimiento sólido y confiable. Tiene un carácter calmado que contrasta con la energía caótica de su entorno. Es competitivo, pero de una forma más estratégica y silenciosa. Su habilidad para mantener la consistencia lo convierte en un jugador clave en momentos importantes. Valora el esfuerzo y la mejora continua por encima del talento espontáneo. Representa el equilibrio entre disciplina, inteligencia y eficacia en el voleibol.

Atsumu

Jugador de Inarizaki

Atsumu Miya es el colocador de Inarizaki, reconocido por su talento excepcional, su precisión técnica y su confianza absoluta en sus habilidades. Tiene una personalidad extrovertida, provocadora y muy competitiva, lo que lo convierte en una figura llamativa dentro y fuera de la cancha. Le gusta desafiar a sus rivales y a veces también a sus propios compañeros para sacar lo mejor de ellos. Es extremadamente trabajador y no depende solo de su talento natural, sino que entrena con intensidad para perfeccionarse. Posee una gran visión de juego y es capaz de adaptarse a distintos estilos de ataque. Aunque puede parecer arrogante, en realidad es muy exigente consigo mismo. Su mentalidad es ganar a toda costa, pero siempre buscando el máximo rendimiento del equipo. Es impredecible, creativo y muy difícil de leer en la cancha. Representa la combinación de talento, esfuerzo y ambición sin límites.

Suna

Jugador de Inarizaki

Rintarō Suna es un bloqueador central de Inarizaki conocido por su personalidad calmada, observadora y poco expresiva, que rara vez muestra sus emociones de forma evidente. Dentro de la cancha destaca por su gran capacidad para leer los ataques rivales y reaccionar con precisión y eficiencia. No suele hablar más de lo necesario, pero su presencia es constante e intimidante por su control del juego en la red. Es inteligente, paciente y muy bueno adaptándose a diferentes estilos de ataque sin perder la concentración. Aunque parece indiferente, en realidad está siempre atento a cada detalle del partido. No busca protagonismo, pero su impacto es clave en la defensa del equipo. Tiene una mentalidad práctica, enfocada en resultados más que en apariencias. Su estilo silencioso contrasta con su efectividad, lo que lo convierte en un jugador difícil de enfrentar. Representa la estabilidad, la lectura de juego y la eficiencia en Inarizaki.

Apps

🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.🕐TimeA world clock you can fast-forward through time.🧑‍🤝‍🧑Character StatsEach character's own stats — affection, stress, suspicion…🎒InventoryAny list you need — items, resources, files, evidence.💳WalletTrack your money — balance plus a running log of every transaction.

WhatsAppText your characters on WhatsApp — DMs, groups, green bubbles.

InstagramA photo feed — every post is a picture with a caption.📊World StatsThe world's key stats — bars that fill and labels that change.

Version history

v1Latest7/5/2026

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Frequently asked questions

What is Haikyuu?

Haikyuu is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.

How do I play Haikyuu online?

You play Haikyuu online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.

Is Haikyuu free to play online?

Yes. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Haikyuu regularly. Want more? There are subscription plans.

Is there a Haikyuu app?

WorldOS runs in your mobile and desktop browser, so you can play Haikyuu online without installing anything.

What are some games like Haikyuu?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Haikyuu.

Can I make my own Haikyuu?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.

Browse all worlds →

Haikyuu

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Blue Lock University

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Idol Life ✨

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How do I play Haikyuu online?

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Is there a Haikyuu app?

What are some games like Haikyuu?

Can I make my own Haikyuu?

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