Arima Renji

The hero August challenged the Demon King to save the world from destruction but was annihilated along with his friends. In modern Japan, a kindergarten child suddenly regains his memories of his past life as the hero August. As a shadow that resembles the demon king creeps into his life, he decides to train as a 'hero' again to prepare for emergencies. In order to overthrow the demon king, he establishes the "hero club" in high school and tries to gather together his reincarnated friends from the other world. An everyday battle comedy involving a former hero who goes to high school!

Mashiro Kanon is a simple and serious girl who attends a high school full of delinquents. Her only objective is to safely graduate, but she has a secret only her childhood friend Tenma knows... for some reason, trouble always stirs up around her and somehow she always comes out of it unscathed.