H03313 Genmukan: Aiyoku to Ryoujoku no Inzai Ep 1: The Ruby Ring Case

Detective Kido Satoru receives a letter with a ticket for a simple missing item case of a ruby ring. He goes to a mansion where a young mistress, an old butler, a teacher, a maid, and a manservant await him. He searches for the ring but encounters a bizarre display of desire and shame.