Seven years ago, Akira Kuroiwa lost his parents in an accident.It was his childhood friend Miori Iijima and her parents who were close to him.However, the Iijima family also lost their father last year, and now it is a mother-daughter family of her mother Kyoko and Miori.Ming decided to support them.As everyday life goes by, Akira falls out with Miori because of a love affair.While talking about it with her mother, Kyoko, Akira tells Kyoko about his feelings.