Quatro semanas após a tentativa da Liga dos Vilões de assassinar All Might, os alunos da Classe 1-A retornam ao USJ para continuar seu treinamento. No entanto, sem o conhecimento dos heróis em treinamento, um inimigo inesperado está escondido nas paredes da instalação e está esperando para atacar...

Izuku se lembra dos eventos que o trouxeram ao Colégio U.A. e no seu caminho para se tornar um super-herói.

História sobre uma sessão de treino conjunta entre a turma de Izuku e os alunos de Isami High na Academia Yuuei, que ocorre após o treinamento de campo na segunda temporada.

A Turma 1-A começa um exercício de treinamento de resgate para se preparar para o exame de licença provisória de herói.

The "Hero League Baseball" is an organization set-up by several Pro Heroes to allow them the chance to play and compete in their spare time. For this year, the "Orcas", led by Gang Orca, and the "Lionels", led by Shishido, have made it to the finals. Present Mic narrates the game, accompanied by an extremely apathetic Eraser Head.

It's been ten months since Izuku en-rolled at U.A. High School, and on top of his regular school work, four days a week he has been continuing his Hero Work-Study at the Endeavor Agency. On one day, they are approached by a police officer, seeking assistance in tracking down a local graffiti artist vandalizing the streets.

Os alunos da U.A. tem que passar as férias de inverno no alojamento da escola, uma vez que são alvo fácil para a Liga dos Vilões. No entanto, eles resolvem encontrar uma forma de passar por esse tédio.

After the Quirkless Izuku Midoriya meets All Might, he becomes the successor to All Might's Quirk, One For All, which means he must eventually go up against All For One and Tomura Shigaraki.

All Might's last fight against All For One set off a series of events leading to his retirement as a hero, but he continues to fight, even as the embers of One For All within him die out.

Ochaco and the Todoroki family think back about why they are fighting and reconfirm their convictions as they continue to face off against the villains.

When Tomura Shigaraki was a child, a tragic accident led to the death of his family, which continues to fuel his desire to destroy.