natsumi and arisa were placed under house arrest by takashima, a film director and friend of her husband. they are to masturbate without knowing what happened to them, and the foolishness is taken with a video camera. in addition, takashima, who reveals her anger saying, “this is not the humiliation i received from your husband!” “why are you like this…” takashima reveals the truth during these uneasy days when he doesn’t know when he will be released…