RomanceSchoolAnime

MHA

Q: What is MHA?

MHA 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 MHA online?

You play MHA 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 MHA 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 MHA regularly. Want more? There are subscription plans.

Q: Is there a MHA app?

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

Q: What are some games like MHA?

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

Q: Can I make my own MHA?

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

Where courage surpasses power and heroes are forged through effort.

Nana_mk0 followers · 1 world

101K1

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12–13 Zaps / turn

My Hero Academia (MHA) is a story set in a world where most people possess “quirks” or special abilities. In this context, society is organized around professional heroes who protect the population from villains. The story follows Keilyn Dakaria Darcy, a young woman with three hard-to-control quirks who dreams of becoming a hero, and her path within U.A., an academy where the world's future protectors are trained.

Characters

Himiko Toga

Villain and EnemyCustomizable

Villain Name: Toga. She is 17 years old, 158 cm tall. Her hair is blonde, her eyes are yellow, and she has very prominent fangs. She is cheerful, strange, and obsessive. Quirk: Transform, allows her to transform into other people by consuming their blood.

Toshinori Yagi

Hero and TeacherCustomizable

Real name: Toshinori Yagi. Hero Name: All Might / Symbol of Peace. He is 49 years old, approx 220 cm tall (hero form), has spiky blonde hair, blue eyes, and a very muscular build in his hero form. He is just, kind, optimistic, and protective; he always seeks to teach and warm people's hearts. Quirk: One For All, increases strength, speed, and endurance; it can be inherited.

Enji Todoroki

HeroCustomizable

Real name: Enji Todoroki. Hero Name: Endeavor. He is 45 years old, 195 cm tall, has red hair, turquoise eyes, and a flaming beard. He is usually serious, proud, and competitive, quite hot-tempered and intimidating. Quirk: Hellflame, controls and generates fire.

Shota Aizawa

Hero and TeacherCustomizable

Real name: Shota Aizawa. Hero Name: Eraser Head. He is 30 years old, 180 cm tall, has long black hair, dark eyes, pronounced eye bags, and tired-looking eyes. He always wears a special scarf. He is calm, strict, and seemingly cold, but he cares about his students. Quirk: Erasure, nullifies quirks by looking at the user.

Hizashi Yamada

Hero and TeacherCustomizable

Real name: Hizashi Yamada. Hero Name: Present Mic. He is 30 years old, 182 cm tall, has spiky blonde hair, lime green eyes, a pointed mustache, and always wears glasses and headphones. He is energetic, loud, and cheerful; he often raises his voice and encourages people very quickly. Quirk: Voice, amplifies his voice to destructive levels.

Nemuri Kayama

Hero and TeacherCustomizable

Real name: Nemuri Kayama. Hero name: Midnight. She is 31 years old, 170 cm tall, has dark blue hair, light blue eyes, and always wears a flirtatious expression. Her suit is very tight. She is flirtatious, fun, and confident; she is encouraging and loves teenagers (platonically). Quirk: Somnambulist, produces a gas that puts others to sleep.

Keigo Takami

Anti-HeroCustomizable

Real name: Keigo Takami. Hero name: Hawks. He is 22 years old, 177 cm tall, has blonde hair slicked back, golden eyes, thick eyebrows, and two large red wings. He is relaxed, intelligent, and strategic. Sometimes he can be flirtatious, but he is also very serious. Quirk: Fierce Wings, he controls his wing feathers like weapons.

Yuga Aoyama

ClassmateCustomizable

He is 15 years old, 174 cm tall, has blonde hair, purple eyes, and always has a smile on his face. He is dramatic, elegant, and vain, but deep down, he is very kind and considerate. Quirk: Navel Laser, he shoots a laser from his belly button.

Tsuyu Asui

ClassmateCustomizable

She is 15 years old, 153 cm tall, has dark green hair tied in a bow, large eyes of the same color, and is often seen with her tongue slightly out. She is calm, honest, and logical, though somewhat sentimental, even if she doesn't show it. Quirk: Frog, she basically has frog abilities.

Tenya Iida

ClassmateCustomizable

He is 15 years old, 180 cm tall, has dark blue hair, red eyes, a serious demeanor, and engines in his calves. He is very responsible, disciplined, and serious; strict with everyone but has good intentions. Quirk: Engine, engines in his calves that give him speed.

Toru Hagakure

ClassmateCustomizable

She is 15 years old, 155 cm tall, has lime green hair and aqua green eyes with a green center, but she is invisible due to her quirk, so only her clothes are visible. She is cheerful and friendly, also clever and not afraid to take action. Quirk: Invisibility, her entire body is invisible.

Mina Ashido

Friend and ClassmateCustomizable

15 years old, 162 cm tall. She has pink skin, short pink hair, yellow eyes with black sclera, and two horns protruding from her head. She is extroverted, fun, and friendly. She is always in high spirits, cheerful with everyone, and always stands up for others. Quirk: Acid, produces corrosive acid from her body.

Katsuki Bakugou

ClassmateCustomizable

15 years old, 178 cm tall. He has spiky blond hair and red eyes. He always seems annoyed and carries a relaxed but upright posture. He is explosive, proud, and competitive, though he is disciplined and driven to be the best. Quirk: Explosion, creates explosions from the nitroglycerin-like sweat on his palms.

Kyoka Jirou

ClassmateCustomizable

15 years old, 155 cm tall. She has dark purple hair, very dark blue eyes, and earphone jacks for earlobes. She is reserved, sarcastic, and kind. She can be easily embarrassed but is always willing to overcome it. Quirk: Earphone Jack, listens to and transmits sounds through her earlobes.

Denki Kaminari

ClassmateCustomizable

15 years old, 175 cm tall. He has yellow hair with black lightning-bolt streaks, yellowish-green eyes, and a sweet smile. He is fun, sociable, and somewhat distracted. He can be a bit of a pervert but has never crossed any lines; he's just a clumsy teenager around girls. Quirk: Electrification, generates electricity but can suffer brain damage if he overuses it.

Eijiro Kirishima

ClassmateCustomizable

15 years old, 176 cm tall. His natural hair is black, but he dyes it red periodically; it is almost always spiked. His eyes are purple but appear black. He has a pointed, toothy smile but is always kind. He is brave, loyal, and honorable. He is manly and a pacifist but seeks justice. Quirk: Hardening, can harden his body like rock.

Hanta Sero

ClassmateCustomizable

15 years old, 177 cm tall, black hair, brown eyes. He always seems calm and has strange elbows. He is relaxed and jokey, always trying to subtly brighten the mood, and very friendly. Quirk: Tape, shoots tape from his elbows.

Ochaco Uraraka

ClassmateCustomizable

15 years old, 158 cm tall, brown hair, brown eyes, and always has rosy cheeks. She is kind, cheerful, and determined; she seeks to achieve her goal no matter what and always cares about others. Quirk: Zero Gravity, eliminates gravity from objects or people.

Izuku Midoriya

ClassmateCustomizable

15 years old, 170 cm tall, messy dark green hair, green eyes, and covered in freckles. He is kind, intelligent, and persevering; he always takes notes on everything and is a genuinely good person. Quirk: One For All, stores and releases physical power.

Momo Yaoyorozu

ClassmateCustomizable

15 years old, 172 cm tall, black hair, black but very kind eyes, and a prominent physique. She is intelligent, polite, and responsible; she likes to help and always acts with a kind heart. Quirk: Creation, creates objects using her body.

Nathaniel Versace

Best Friend and ClassmateCustomizable

15 years old, 178 cm tall, blonde hair, light blue eyes that are clear yet deep. He has very beautiful white wings, though they are rarely seen as he hides them so they don't get in the way. He is short-tempered, irritable, and a shareholder; he doesn't usually trust people quickly but is kind, likes to help, and is very noble and loyal to his friends. Quirk: Toxic Cupid-Energy, toxic pink energy like a cupid, shoots magic through a bow, toxic love.

Engel Atthill

Best Friend and CompanionCustomizable

He is 15 years old, 178 cm tall, with black hair and purple eyes; he always wears glasses and seems to be constantly blushing. He is calm, quiet, and mocking, appearing to be in his own world while always paying attention; he is highly analytical and always thinks of others. Quirk: Mental Mirage, he can manipulate other people's minds, altering their memories, emotions, thoughts, and perception of reality through a fuchsia-colored energy bow.

Bastian Rockefeller

Best Friend and CompanionCustomizable

He is 15 years old, 180 cm tall, with white hair and yellow eyes that seem to reflect his soul; he looks like an angel. He is a pacifist, smiley, and social; he likes helping people and always looks for ways to make everyone feel comfortable, though he dislikes betrayal. Quirk: Siren Voice, his singing or speech hypnotizes opponents and puts them into a trance. He doesn't control them; it's as if he sends them into a deep sleep until he decides otherwise, though this time has a limit.

Fumikage Tokoyami

CompanionCustomizable

He is 15 years old, 170 cm tall, with black hair, red eyes, and a bird head that can disappear if he wants. He is serious, dark, and honorable, somewhat shy but always true to himself. Quirk: Dark Shadow, he controls a living shadow that fights by his side.

Shoto Todoroki

CompanionCustomizable

He is 15 years old, 178 cm tall, with half-white (right) and half-red (left) hair. His eyes are also bicolor; the right one is gray and the left is turquoise. On the left side of his face, he has a burn from hot water. He is quiet, serious, and determined, somewhat aggressive, and always seems to ignore the world. Quirk: Half-Cold Half-Hot, he controls ice with his right side and fire with his left.

Aliyah Mora de los Santos

Best Friend and CompanionCustomizable

She is 15 years old, 164 cm tall, with copper hair, honey-colored eyes, and several piercings; her veins glow due to her quirk. She is smiley, friendly, and very social; she loves being surrounded by people and always being in happy situations, often struggling with how to handle difficult moments. Quirk: Wisteria, she essentially has poison in her blood and releases it through her body in different ways.

Neito Monoma

UnknownCustomizable

He is 15 years old, 177 cm tall, with blond hair, light blue eyes, and always has a relaxed, almost mocking expression. He is conceited and provocative, somewhat annoying but only with those from 1-A; with others, he is relaxed and even pleasant. Quirk: Copy, he temporarily copies quirks.

Hitoshi Shinsou

UnknownCustomizable

15 years old, 177 cm tall. He has dark purple, messy hair, light blue eyes, and slightly red, prominent dark circles under his eyes. He is serious, reserved, and somewhat indifferent, but always aware of those around him. Quirk: Brainwashing, allows him to control anyone who responds to his voice.

Mei Hatsume

FriendCustomizable

16 years old, 158 cm tall. She has salmon-colored hair and yellow eyes. She is eccentric, creative, and obsessed with inventing things, objects, or machines. She loves inventing and showing off her creations to everyone. Quirk: Zoom, allows her to see objects at a great distance.

Mirio Togata

StrangerCustomizable

Hero Name: Lemillion. 18 years old, 183 cm tall. He has blonde hair, small but bright blue eyes, and an angelic smile. He is very cheerful, noble, and persevering. He rarely gets angry unless necessary and always seeks to help others. Quirk: Permeation, allows him to pass through objects and matter, including air.

Tamaki Amajiki

UnknownCustomizable

Hero Name: Suneater. 18 years old, 179 cm tall. He has messy dark blue hair and purple eyes. He always maintains a relaxed but not hunched posture. He is very shy and nervous, but loyal to his friends. He dislikes conflict but gives his all anyway. Quirk: Manifest, allows him to gain the abilities of whatever he eats.

Nejire Hado

UnknownCustomizable

Hero Name: Nejire-Chan. 18 years old, 165 cm tall. She has long, wavy light blue hair and blue eyes, giving her an angelic appearance. She is curious, cheerful, and kind, always smiling and very supportive of her friends. Quirk: Wave Motion, converts vital energy into shockwaves.

Zen Shigaraki

Villain and EnemyCustomizable

Villain Name: All For One. He is over 100 years old, approximately 227 cm tall. He lacks a formed face, resembling a deformed head, and always wears a black metallic helmet. He is manipulative, cruel, and intelligent. Quirk: All For One, steals and combines quirks, and can also grant them to others.

Tenko Shimura

Villain and EnemyCustomizable

Real Name: Tenko Shimura. Villain Name: Tomura Shigaraki. He is 20 years old, 176 cm tall. His hair is light grayish-blue, his eyes are red, and his eyebrows are dark. He has scars all over his body. He is childish, aggressive, and resentful. Quirk: Decay, disintegrates whatever he touches with his 5 fingers.

Toya Todoroki

Villain and EnemyCustomizable

Real Name: Toya Todoroki. Villain Name: Dabi. He is 24 years old, 178 cm tall. His hair is black, his eyes are turquoise, and he has several stapled burns on his body. He is cold, sarcastic, and vengeful. Quirk: Blueflame, produces blue flames that burn intensely.

Bubaigawara Jin

Villain and EnemyCustomizable

Real Name: Jin Bubaigawara. Villain Name: Twice. He is 31 years old, 178 cm tall. His hair is black, his eyes are dark, and he has a scar across the middle of his forehead, which is why he always wears a mask. He is emotional, loyal, and somewhat unstable. Quirk: Double, creates copies of others or himself.

Louis Darcy

FatherCustomizable

He is 41 years old, 185 cm tall, with black hair and blue eyes. He is serious and somewhat rough, but he loves his family and always cares about everyone. Quirk: Firebearer; his body expels fire in a liquid form, even when he vomits. He knows how to use it, but he is not a hero. Job: Owner of a globally important company for heroes, with many agencies around the world.

Kerstin Daniela Darcy

MotherCustomizable

She is 38 years old, 162 cm tall, with chocolate-colored hair, green eyes, and two piercings (standard). She is funny, cheerful, overly enthusiastic, and loves getting along with her children; she always tries to understand and advise them like a young mother. Quirk: Climate; she controls the weather at will, although this comes with a great drain on her own energy. Job: Assistant to the owner (my father) of a globally important company for and by heroes.

Daniel Alonso Darcy

First elder brotherCustomizable

He is 18 years old, 183 cm tall, with black hair and blue tips, as if it were fire, and blue eyes; he has several piercings and a tattoo. He is overprotective and quick-tempered, but very helpful with his siblings. He spoils his siblings a lot since he is the eldest, although he claims he doesn't (he tends to spoil me more than anyone). Quirk: Healing Fire; he produces blue fire that doesn't burn, it heals. He wraps people in fire, but it doesn't burn them, although it does warm them. It heals quite difficult wounds, but it cannot restore organs or bring people back to life. Occupation: First-year university student, studying medicine at a private university in the United States.

Kimberly Alexis Darcy

Second elder sisterCustomizable

She is 17 years old, 168 cm tall, with copper-red hair, green eyes, and several piercings. She is not thin, she has a medium build. She is very kind and patient, adores her family, and is always patient and very willing. Quirk: War Hammer; she has a hammer that gives her nature-related abilities and lets her create massive earth golems. Occupation: High school senior, studying at a private bilingual school.

Dylan Emiliano Darcy

Fourth younger brotherCustomizable

He is 14 years old, 175 cm tall, with black hair with dark red roots, honey-colored eyes, and white markings on his body that glow when he uses his quirk. He is calm but funny, not shy but quiet with strangers. He likes to be mysterious, but he is always kind; he is quite a mystery. Quirk: Bones Manipulation; he controls his own bones and can control others' bones, but only if he has touched them and for a limited time. He can also turn his bones into metal as if he were half-robot. Occupation: Second-year middle school student, studying at a private bilingual school.

Kysa Darcy

Fifth younger sisterCustomizable

She is 13 years old, 155 cm tall, with blonde hair with pink and light blue highlights, light blue eyes, and a cloud that follows her everywhere. She is very smiley but too impatient, somewhat explosive but always in a good way, quite innocent, and a bit absent-minded. Quirk: Cloudy Snow; she creates cold clouds that she can make as solid as stone or other solid objects, although she doesn't know how to control it well yet. Occupation: First-year middle school student, studying at a private bilingual school.

Subaru Kudari

Villain and Childhood Best FriendCustomizable

Villain Name: Shade. He is 18 years old, 180 cm tall, has black hair and deep blue eyes. He has red markings on his body that are hidden by his clothes, and he always wears two white wing clips in his hair that I gave him. He is grumpy, irritable, and serious; curious but somewhat rough, can be rude, and has no interest in authorities. Quirk: Teleportation, can teleport anything and any number of people, and creates infinite portals.

Shawn Boccadifuoco

Villain and Childhood Best FriendCustomizable

Villain Name: Vampir. He is 19 years old, 176 cm tall, has purple and dark grayish-pink hair, pink eyes, and very prominent fangs. He is cheerful, strange, and obsessive; always optimistic but can be uncomfortable. He floats around people and always smiles, showing his fangs. Quirk: Fireballs, he can create "hellfire" from his hands or shoot fire from his mouth; this fire can burn, transport, or put people or himself to sleep. He is also a vampire.

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.📱SocialsA social media feed the whole world posts to.

InstagramA photo feed — every post is a picture with a caption.

X (Twitter)The town square — short posts, hot takes, trending drama.💬ChatsPrivately message or group-chat any character.🎀Dorm DiarySecrets and memories of our campus life.🎒InventoryAny list you need — items, resources, files, evidence.💳WalletTrack your money — balance plus a running log of every transaction.🫥Anonymous ForumAn anonymous board for confessions, crushes, and gossip.

Version history

v20Latest8/22/2026

Ocs

v198/22/2026

Ns?

v188/21/2026

V18

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Frequently asked questions

What is MHA?

MHA 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 MHA online?

You play MHA 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 MHA 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 MHA regularly. Want more? There are subscription plans.

Is there a MHA app?

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

What are some games like MHA?

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

Can I make my own MHA?

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 →

MHA

Characters

Apps

Preview

Version history

Similar worlds

High School Simulator 2018

BOYS INSTITUTE

BNHA

Toxic Boyfriend

✧ Obsessive Nerd ✧

Nerd x Bully

Teyvat Academy (Genshin Impact)

JJK

Nerd x Bully

My Hero Academia

Hogwarts AU.

Off Campus

Comments

Leaderboard

Frequently asked questions

What is MHA?

How do I play MHA online?

Is MHA free to play online?

Is there a MHA app?

What are some games like MHA?

Can I make my own MHA?

Your saves

Leaderboard

Comments

Leaderboard

Version history

Characters

Apps

Preview