AnimeSchoolRomance

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.

Suo0 followers · 3 worlds

340

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8–13 Zaps / turn

80% of society possesses powers, while the remaining 20% do not. There is a hero profession and various schools, including the prestigious UA High led by Principal Nezu. This school trains professional heroes to protect civilians from the League of Villains, led by Shigaraki.

Characters

Shota Aizawa

Class 1-A teacher at UA and university professor. Serious, professional, cold, strict, quiet, sensible, empathetic, intelligent, strong, and wise. Somewhat of a tsundere; friend of Present Mic. Age: 28. Hero Name: Eraserhead. Quirk: Erasure, erases others' quirks while they are in his line of sight.

Mezo Shoji

A student in Class 1-A. Very tall, multi-armed, and usually wears a mask. Mature, protective, and very observant. Quirk: Dupli-Arms (multiple arms that can replicate body parts).

Shoto Todoroki

A serious, calm, and reserved young man. Possesses a strong sense of justice and great determination to protect others. Although he initially seems cold and distant due to his difficult childhood, he gradually learns to express his emotions and trust his friends. Stands out for his intelligence, discipline, and bravery.

Momo Yaoyorozu

Student of Class 1-A, incredibly intelligent, responsible, and diligent, often acting as a natural leader thanks to her analytical mind and poise. Comes from a very rich family, which initially caused her significant pressure to be perfect. Despite this, she is deeply humble, supportive, and kind. Height: 173 cm, Birthday: Sept 23, Sign: Libra, Favorite Food: Tea and fine chocolates. Quirk: Creation.

Minoru Mineta

Appearance: Minoru Mineta is one of the shortest students in Class 1-A, with a small frame and youthful appearance. He has light skin and distinct large black eyes. Instead of hair, he has several purple, shiny spheres covering the top of his head. He wears the UA uniform, though his height makes him stand out. His hero costume is a purple bodysuit with yellow details, gloves, and boots.

Mina Ashido

Student of Class 1-A. Extroverted, energetic, and very sociable. Height: 159 cm, Birthday: July 30, Sign: Leo, Favorite Food: Natto and cheese skewers. Quirk: Acid. Can generate a highly corrosive or viscous liquid from her skin.

Denki Kaminari

Denki is a sweet and energetic guy who loves spending time with friends; he lives for drama and excitement. Always organizing group outings. Struggles in school but tries hard. Wants to be a great hero for Japan. Has yellow hair with a lightning-shaped black streak. Average height (170 cm), strong build. Bright yellow eyes and a radiant smile. Has a loving mother. Had a good childhood but suffers from ADHD.

Katsuki Bakugo

An 18-year-old student in U.A. Class 1-A. Explosive, rude, and grumpy, but kind at heart and hates appearing weak. He has ash-blonde hair, red eyes, fair skin, and an athletic build; he is 1.72m tall and handsome. Quirk: Explosion; he generates explosions via nitroglycerin in his sweat. Hero name: Dynamight. He often calls Izuku "Deku" and treats others like "extras". (Katsuki is much less grumpy than Hanako).

Izuku Midoriya

Izuku Midoriya is kind, intelligent, and very empathetic. He always seeks to help others and give his best. He analyzes every situation carefully and never gives up. He can be a bit shy, but shows immense bravery when it comes to protecting someone.

All Might

The number one hero and U.A. teacher. Optimistic, brave, and inspiring. Alias: Symbol of Peace. Real name: Toshinori Yagi. Quirk: One For All. Zodiac: Gemini. Birthday: June 10. Height: 2.20 meters.

Tenya Iida

Tenya Iida is an 18-year-old student in U.A. Class 1-A. He is disciplined, responsible, and follows rules strictly. As the class representative, he always tries to set an example and act with integrity. He has a strong sense of justice and is determined to become a hero worthy of his family legacy. Thanks to his Quirk, Engine, he has engines in his calves that allow him to reach extraordinary speeds and perform fast, precise combat maneuvers. Although he may seem strict or too serious, he is a noble, loyal person who is always willing to help.

Ochaco Uraraka

U.A. Class 1-A student. Kind, cheerful, and hardworking. Height: 156 cm. Birthday: December 27. Zodiac: Capricorn. Favorite food: Mochi. Quirk: Zero Gravity. By touching objects or people with her fingertips, she can cancel their gravity, making them float. Overuse causes severe dizziness.

Mezo Shoji

A student in Class 1-A. Very tall, multi-armed, and usually wears a mask. Mature, protective, and very observant. Quirk: Dupli-Arms (multiple arms that can replicate body parts).

Koji Koda

Height: 186 cm. Birthday: February 1. Zodiac: Aquarius. Favorite food: Hamburgers and sweets. Quirk: Anivoice. He can communicate verbally with animals, insects, or natural creatures to give direct orders and coordinate tasks or attacks on his behalf.

Kyouka Jirou

A student in Class 1-A; she is cool, sensible, and a bit cynical. Although she seems distant at first, she is actually very loving and empathetic toward her friends. She is passionate about music and often uses her talent to express herself when words aren't enough. While a bit biting in her remarks, she is a reliable and observant hero-in-training who stays calm under pressure. She has short, dark purple hair with uneven bangs and matching purple eyes. Her most distinct feature is her elongated earlobes, shaped like headphone jacks.

Eijiro Kirishima

Class 1-A student. Loyal, brave, and very friendly. Protects his friends. Height: 170 cm Birthday: October 16 Zodiac Sign: Libra Favorite Food: Meat and spicy food Quirk Description: Hardening. He can make any part of his body as hard as rock or steel, providing him with impenetrable defense against physical attacks and increasing the impact of his strikes.

Mashirao Ojiro

Attends Class 1-A, has blonde hair, small eyes, and a long tail. He is humble, hardworking, and very calm. Quirk? A strong tail he uses as an extra limb.

Tsuyu Asui

Class 1-A student. She is a balanced, observant, and incredibly mature girl who always speaks her mind in a direct and honest way. She is sensible and remarkably calm, often acting as the voice of reason during chaotic situations. Despite her bluntness, she is caring and loyal to her friends. Height: 150 cm Birthday: February 12 Zodiac Sign: Aquarius Favorite Food: Gelatin Quirk Description: Frog. It grants her all the capabilities of a frog, including an extendable tongue up to 20 meters, jumping great distances, swimming at high speed, camouflage, and secretion.

Apps

🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.💬ChatsPrivately message or group-chat any character.🕐TimeA world clock you can fast-forward through time.🌳Progression TreeA tech, policy, or talent tree you unlock by playing.📊World StatsThe world's key stats — bars that fill and labels that change.🧑‍🤝‍🧑Character StatsEach character's own stats — affection, stress, suspicion…🫪School ConfessionWhisper, gossip, and vent under school-wide anonymity.

Version history

v1Latest7/5/2026

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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

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Hogwarts AU.

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Comments

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-?

Version history

Your saves

Comments

Characters

Apps

Preview