Keraku-no-oh: King of Pleasure / Keraku-no-o: King of Pleasures

"Keraku-no-ou: King of Pleasures" is an original hentai work by studio Five Ways released in 2002. The main character of the story, Ryuichi, lives a strange and boring life. He has no friends, his parents don't pay attention to him, and he gets into fights with bullies every day. However, everything changes when Chihiro-chan, his childhood friend, transfers to his class. She remembers him very well, but Ryuichi, due to a brain injury sustained in childhood, has completely lost his memory of the time spent with her. Chihiro doesn't understand how to help the poor guy and offers to do anything for him, whatever he might ask. Of course, Ryuichi asked for sex, and Chihiro couldn't back out of her words. Soon Ryuichi realizes that through sex he can take revenge on the other girls from his academy who despised and bullied him. He will make them all sex slaves!