Mao is concerned about her husband, Ryosuke, who has recently been worried about his lack of energy, saying: I'm busy. Although she says that, Mao still feels hurt, thinking that she might not be attractive. Ryosuke's subordinate, Murata, who visited the couple's home, seduced Mao as an opportunity to see that the couple is suffering from a lack of sex. Mao refused, but Murata, who is approaching forcefully and crazily.