Ecchi, Seinen, Psychological, Drama, Adult, Mature
- Ko was good at hiding behind the social mask of a people-pleaser, until he met Takuro, a voyeur
- Takuro watches people with a binocular that lets him see through their dark, vulgar secrets
- Tempted to test his girlfriend's faithfulness, Ko starts getting involved in Takuro's activity
Young Ko is about to learn a new hobby... Ko Higaonna, sharing a moment with his not-quite-girlfriend Satomi, is disturbed to discover a sallow-faced man watching with infrared goggles from the darkness. Ko's sense of privacy is offended, and soon blood is spilled, and the goggles pass into new hands. But the Voyeur remains, and now Ko is his pupil, about to discover what goes on beneath the smiles on people's faces... What goes on in private, in the dark...?