The Black Lion Society, a dark organization whose hometown was destroyed by the Sweet Angels, has been capturing people they suspect and subjecting them to pleasurable torture in the name of interrogation. - On this day, a girl is wandering around the city looking for her friend who was abducted and disappeared...She is Hikaru from Sweet Angels. - Hikaru desperately endures the pleasurable torture of being forced to drink a drink containing an aphrodisiac and being restrained and unable to move, but she is engulfed by the waves of pleasure and her body and spirit deteriorate.