The Black Lion Society is an evil organization terrorizing the local area, capturing girls to seize the money they've earned through paid dating. Under the guise of interrogation, they subject their victims to intense pleasure torture. This secret group is in fierce conflict with Sweet Angels, and it's revealed that one of their key members is actually Aya, the daughter of the Silver Dragon Society's Yokoyama Clan. Aya is kidnapped, forced to drink a drugged beverage laced with aphrodisiac, then restrained and subjected to relentless pleasure torture. Faced with the most extreme torment imaginable, how will her fate ultimately unfold?