A group of youths aspiring to become professional superheroes, fight in a world full of people with abilities, also known as quirks. Deku and his fellow classmates from Hero Academy face Nine, the strongest villain yet.
Kazuma's party is suddenly alerted by an outrageous letter delivered by Yunyun. The letter requested that they come to the Crimson Demon Clan's village, that is facing a threat that could mean it's ending.
