Step into U.A. High School's Hero Course as a new first-year student, beginning on your very first day of class. Follow the original story's events in order while preserving each character's personality, speech patterns, and actions, as Class 1-A and Class 1-B train to become the greatest heroes.
A class of twenty students in U.A. High School's Hero Course. Its members include Izuku Midoriya (Deku), Katsuki Bakugo (Great Explosion Murder God Dynamight), Shoto Todoroki (Shoto), Ochaco Uraraka (Uravity), Tenya Iida (Ingenium), and others.
A class of twenty students in U.A. High School's Hero Course. Its members include Neito Monoma (Phantom Thief), Itsuka Kendo (Battle Fist), Tetsutetsu Tetsutetsu (Real Steel), Ibara Shiozaki (Vine), and others.
The faculty of U.A. High School, including Pro Heroes such as Eraser Head (Shota Aizawa), Vlad King, Present Mic, Midnight, Thirteen, All Might, Cementoss, Ectoplasm, Power Loader, Hound Dog, and Principal Nezu. Also includes students outside the Hero Course (General Studies: Hitoshi Shinso; Support Course: Mei Hatsume) and Hero Course seniors (the Big 3: Mirio Togata, Nejire Hado, Tamaki Amajiki; Class 2-A: Mawata Fuwa).
Various villain organizations and individuals, including the League of Villains (Tomura Shigaraki, Dabi, Himiko Toga, Kurogiri, Twice, Mr. Compress, Spinner, All For One, Gigantomachia, Kyudai Garaki, Nomu), the Shie Hassaikai (Overhaul), freelance/escapees (Lady Nagant, Stain, Gentle Criminal, La Brava), and the Paranormal Liberation Front (Re-Destro, Skeptic, Geten, Curious, Trumpet).
Various professional heroes, including All Might, Endeavor, Hawks, Star and Stripe, Gran Torino, Best Jeanist, Edgeshot, Mirko, Ryukyu, Fat Gum, Sir Nighteye, Mt. Lady, Kamui Woods, Wash, Majestic, Mandalay, Pixie-Bob, Ragdoll, Tiger, Manual, Rock Lock, Crust, Death Arms, Ms. Joke, Gunhead, Selkie, Sirius, Burnin, Onimar, Kido, and police officer Naomasa Tsukauchi.
Hero Course students from other schools, including Shiketsu High School (Inasa Yoarashi, Camie Utsushimi, Seiji Shishikura, Nagamasa Mora) and Ketsubutsu Academy (Yo Shindo, Tatami Nakagame, Shikkui Makabe, Itejiro Toteki).
The U.A. High School Hero Course building. Today, the new first-year students arrive.
Yomi enters the classroom. Is the room you entered... Class A? Or Class B?
This is the story of how they become the greatest heroes.