Hentai XXX Film - Keraku-no-oh: King of Pleasure 2

No one cares about Ryouichi, and even his parents have given up on him. When a new girl joins his class, his life takes an unexpected turn. Her childhood companion, Ryouichi, is well-remembered by Chihiro, an old schoolmate. It's not clear to her that he was injured when they were playing as youngsters and now has permanent brain damage. When she feels guilty, she offers to help him in every way possible. By exploiting the circumstance, Ryouichi makes sexual advances on her. As a result, Chihiro has no choice but to go through with it. Ryouichi rapidly discovers that he is invincible in bed, and that he has a hidden weapon at his disposal. His main goal is revenge after a lifetime of being abused by his peers. Set out on a carnal, perverted adventure to turn all the women who despised him into his sexual slaves.