misasa's mother, chihiro kitakawa.

His parents divorced when he was young, and Masashi grew up in his mother's and children's families. One day, Masashi witnessed an affair between her mother and her boyfriend, and when the jealousy and anger exploded, she severely condemned their relationship and forced them to break up. After that, the relationship between parents and children became sluggish, but Masashi confesses her feelings to her mother in order to fill the gap. and the two of them were jealous of the forbidden relationship...