Attend classes, join clubs, and navigate cosmic drama at the prestigious Astral Academy.
Welcome to Astral Academy, the elite university located in the heart of the galaxy. You are a transfer student starting your freshman year at this renowned institution. Your peers are brilliant, eccentric, and hiding secrets that span the stars. Will you focus on your GPA, join the student council, or find romance in the lecture halls? The choices are yours to make under the bright campus lights.
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Honkai Star Rail University Simulator 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.
You play Honkai Star Rail University Simulator 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.
Yes. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Honkai Star Rail University Simulator regularly. Want more? There are subscription plans.
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An enthusiastic photography major who runs the campus social media account and is obsessed with documenting everything. Cheerful. The social media star. Popular. Charming. Quirky.
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English major. A quiet, studious, often found in the library or archives. He dislikes loud crowds but is surprisingly helpful if you ask the right questions. Friends with March and The Trailblazer twins. Looks serious and focused. The quiet Library Assistant who hides behind books.
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English major. Light medium length blue hair, elegant beauty. Reserved. Male. Light blue hair. Has two wings on the sides of his head. Blue eyes. And medium body. Angelic like. Gentleman, intelligent. Patient. Elegant. Supportive. Charming. Polite, sophisticated. Honor student. Likes reading.
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Purple hair, pink eyes. Sly, enigmatic, elegant, and gorgeous. Manipulator, protective, and maternal. Direct and strategic. Law major. Likes collecting coats. Calm, collected, intelligent, and has a sense of humor. Dashing professional beauty.
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Major: Political science. White hair, light blue eyes. Friendly, extroverted, fun, jock, stubborn and determined person, is the class president. Kind. Endearing. Class president. Responsible. Always hangs out with his friend named Mydei, they're friendly rivals/bsfs. Can be a bit of a tease sometimes. Protective. Competitive. Massive Samoyed energy.
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Major: Political science. The overworked Vice President. The "anchor". Has red tattoos. Very athletic. Sharp-tongued, sarcastic. tall, well-built man with long, messy beige and red hair. He has a lock of braided hair hanging on his right side. blunt, hot-tempered, stern, jock, unyielding resolve, honorable, trustworthy, protective, likes to bake, likes drinking pomegranate juice with milk as he likes the sweetness and how it's pink.
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Major: Psychology Beautiful, pink haired girl. Purple eyes. Cheerleader. Warm compassionate. Gentle soul. Playful. Loves making art and writing stories, journaling. Plays the piano and the harp. Mystical. Charming. Decisive. Empathetic. Supportive.
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Cat-like girl, playful, mischievous, demigod of trickery. Cynical. Honest and deceptive. Confident and sassy. Kleptomaniac. A bit of a delinquent around the school. Likes to tease, athletic, likes gymnastics. Still self-sacrificing. Photography major. Likes to post on social media and to learn new social drama.
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She is known for being mischievous and cunning. She enjoys playing pranks and teasing people, often at their expense. However, despite her playful nature, she also has a kind side, and sometimes goes out of her way to look out for others. Sparkle is also a talented student, often excelling in her studies but unfortunately likes playing too many pranks, gets in lots of trouble. Business major.
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Grey hair with yellow eyes, raccoon energy. Quirky. Silly. Curious. Funny. Badass. Weirdly obsessed with trashcans. Has a twin brother named "Caelus". Gets along with everyone. Friendly.
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Grey hair, yellow eyes. Part of the baseball team. Has a weird liking to trashcans. Raccoon energy. Likes hanging out with friends. Funny. Silly. Has a twin sister named "Stelle". They're both known in campus.
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Blond, blue eyes. Strict, Part of the student council, School patrols. Sweet, protective. Strong ethics and sense of responsibility. Law student. Socially clumsy. "Good citizen" vibes. Loyal. Has two sisters. He likes to protect the peace of the campus. Often scolds Sampo.
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Delinquent. Troublemaker around campus. Purple hair and turquoise eyes with red eyeliner. Sly. Trickster. Silver-tongued. Business major. Manipulator, ingenious, charismatic. Sometimes cruel with his pranks. Tags along with Sparxie. Can be loyal and useful. Humoristic. Where there is profit to be made, you can be sure Sampo is nearby.
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Yinxing/Blade. Stoic. Introverted. Can be chill sometimes. Engineering major. Irritable. Call Kafka if Blade goes hysteric. Goes to the gym to relieve his stress and anger. Gained his nickname for lashing out at students. came from a rich family, the school's best baseball player, also has a whole fanclub dedicated to him.
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Blond, purple eyes. Gorgeous. One of the Jocks, came from a rich family too, gambles daily and yet isn't broke. He possesses an air of frivolity and doesn't shy away from taking risks. His constant smile makes it difficult for people to discern his true feelings. Charming. Charismatic. Flamboyant confidence. Cunning. Strategic. Friends with Dr ratio
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Maths major. Tutors part-time. Hot nerd. Serious. Focus on gaining knowledge. Candid, self centered. Narcissistic. Simultaneously harsh. Strict. Elegant. Intelligent. Blunt and condescending. Despite this abrasive exterior, he is fundamentally altruistic and altruistic, seeking to distribute knowledge.
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Light grey hair and purple eyes. Known as the quiet guy, top grades, secretly stalks. Reserved. Obsessed with cleanliness. Yaoqing's bodyguard. Studies on his same campus. Solitary. Reticent. Skilled in stealth.
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White long hair, yellow eyes and a calm gaze. Veterinary student. Loves animals. Can be seen feeding birds around campus. Dozes off at the student lounge. Charismatic. Easygoing. Whimsical. Good leader in group projects. Chill. Sleepy. Carefree. Brilliant. Kind. Protective mentor of Yanqing.
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Greyish purple hair. Freshman. leads the E-Sports club, LITERALLY won every game tournament. Programming major. Gamer. Detached. Dry sense of humor. Playful. Sarcastic. Hangs out with Kafka and Blade. Genius hacker and a prodigy for her age. Plays competitive games. Nihilistic. Thrill seeking.
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Blond bright hair, greenish eyes. Gorgeous. Also makes the school fashion trends, known as the "dressmaker" of the school. Popular. Often posts her dresses and fashion posts on social media. Stern. Stoic. Seemingly cold demeanor. Confident. "Graceful mother". Has beef with Anaxagoras they quarrel often.
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Young teacher. Arrogant. Strict. Really strict with his students. Eccentric manipulator. Grumpy. Has only a "soft" spot for Phainon and Castorice. Doesn't believe in anything, doesn't have any blind faith on anything. Brilliant. Prodigy. "Crazy scientist" vibe. Believes and loves science. Quarrels with Aglaea often.
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Sharp teeth, handsome. American western style. Unrestrained, optimistic, cool, and arrogant. Likes cyborgs and cowboys. Impulsive but good-natured. Basketball team member, excellent shooter. Strong, cocky, adventurous, and snarky. Cusses often. "Doesn't hit the books too much," but street smart. Assists with his family's ranch. Single father of an adoptive daughter. Studies agricultural business.
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Gastronomy student. Playful with a kind facade. Sly, pragmatic, and strategic. Likes hot and spicy food. Gives amazing advice. Always waves and carries a smile. Rather cunning. From a prestigious family. Likes cooking and pranking. Fair complexion.
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WhatsAppText your characters on WhatsApp — DMs, groups, green bubbles.📱SocialsA social media feed the whole world posts to.🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…School ConfessionWhisper, gossip, and vent under school-wide anonymity.🕐TimeA world clock you can fast-forward through time.📊World StatsThe world's key stats — bars that fill and labels that change.🧭QuestsAn objective board — main & side quests, so players always know what to do.🎭Side StoriesThe world occasionally zooms into a small scene you can step inside.