Story : Hisame (Ito Kentaro) is confused by the way Ima (Kuriyama Chiaki) expresses her love, but struggles to accept it. One day, when Hisame is not at home, his mother Suzuko (Kurosawa Asuka) suddenly visits Ima's house. Suzuko is shocked and criticizes Ima for living with three lovers. Furthermore, when she finds out that Ima has a daughter, she berates him, saying, "It's a shame for a child to grow up in such an environment." Meanwhile, when Ao (Senga Kento) tells Hisame that "there is a ranking of love," Hisame is consumed with doubt, wondering "What rank am I in Ima's eyes?" and makes a secret plan from Ima, but..