[ Anime Sex Tube ] Keraku No Ou 2

Ryouichi has no friends, gets bullied on a regular basis, and his parents have given up on him. However, his world is turned upside down one day when a new girl moves into his class. Chihiro is a childhood buddy who recalls Ryouichi. She is unaware that he has brain impairment as a result of an accident sustained when they were playing as youngsters. She offers to do everything for him, burdened with guilt. Ryouichi takes advantage of the circumstance and demands sex from her. Chihiro's conscience forbids her from withdrawing, so she accepts. Ryouichi rapidly discovers that he is invincible in bed, that he has a hidden weapon. After years of maltreatment at the hands of his peers, he has only one goal... vengeance. He embarks on a hedonistic, perverted adventure to transform all the ladies who despise him into his personal sex slaves.