Mio and Kana had been best friends since their school days, but their relationship fell apart when Kana got married to Mio's ex-boyfriend. Mio is filled with jealousy and revenge, and she asks a friend of hers for a long time to make a request. ``Let's all rape Kana, a married woman!'' Then, she innocently called Kana and her husband to her company president's house and put them to sleep with her sleeping pills... Her ex-friend gives in to her horrifying desire for vengeance in the eyes of her husband