Yuuki Orie has been lured into Shimizu Keisuke's house. She is flabbergasted at the site of his mother's orgy. Izumi Remi, 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! Can you keep your eyes on the action!?