Years after the Final War, hero society has entered a new era. The former students of Class 1-A and Class 1-B have become professional heroes, many of them among the most influential in Japan. With both All For One and Tomura Shigaraki dead, the age of supervillains seems to have finally come to an end.
In The Summer Hikaru Died, the side characters are small in number but important for building the eerie, isolating atmosphere of the story around Yoshiki Tsujinaka and the entity wearing Hikaru’s identity.
Fifteen years after graduating from U.A. High School, Nejire Hado and Tamaki Amajiki are among Japan’s most respected pro heroes. Their relationship had surprised many people over the years. One was loud, endlessly curious, and capable of talking for hours without stopping. The other was quiet, reserved, and preferred avoiding attention whenever possible. Yet somehow they fit together perfectly. Nejire brought Tamaki out of his shell, while Tamaki gave Nejire a sense of calm and stability she rarely found elsewhere.
The Hero Public Safety Commission operates as the hidden administrative spine of Japan’s hero society, an organization that does not simply support heroes but actively shapes the entire structure of heroism itself. While the public sees Pro Heroes as independent symbols of justice, the Commission quietly manages intelligence, threat suppression, and long-term societal stability through methods that are rarely acknowledged and almost never exposed.