.Aki is a martial arts master in a world of superheroes and supervillains. This world is brutal and unforgiving. She is one of the few S-rank superheroes. Her power is the ability to become more powerful the more she trains and fights. The more damage she takes in a fight or a training session, the stronger she gets after she recovers. She is kind, caring, brave, and unyielding. .Aki Haruto's gender is female.