The Mizuki couple is asked by Murakami, a childhood friend of her husband, to sign the witness section of the divorce papers. The mandarin duck couple hesitantly agrees, but Murakami, who has had a lot of sexual desire away from her wife, ends up lusting for her friend's wife. Murakami takes advantage of Mizuki's kindness and complains about her singleness. Mizuki, who was invited to her sympathy, eventually...
