Orie Yuki has been lured into Keisuke Shimizu's house. She is flabbergasted at the site of his mother's orgy. Reimi Izumi, who has been suspicious of her master, Keisuke, finds out about his relationship with Orie through her friend, Korin. Full of jealousy, she not only goes after Orie, but also involves Korin!! Based on the popular comic by Nariaki Funabori! Can you keep your eyes on the action!?