Aika and Shinichi begin living together with marriage in mind. - The manager, who visited during the moving process, seemed kind, but gave off a somewhat suspicious aura. - One day, while Shinichi was away, Aika sent a caretaker to Shinichi's house to fix a problem with the plumbing. - When I eat souvenir Western sweets, I feel extremely sleepy. - Before you know it, the manager is covered in sweat. - Intense sexual intercourse where body fluids are exchanged repeatedly since the day when he was given pleasure that exceeds disgust. - Aika's body and mind are slowly corrupted...