Seven years ago, Kuroiwa Akira lost his parents in an accident. His childhood friend Iijima Miori and her parents were there to support him. However, last year the Iijima family also lost their father, and now it is just a single-mother household with Miori and her mother Kyoko. Akira decides to be a support for them. As the days go by, Akira and Miori have a falling out over love and romance. While talking about it with his mother Kyoko, Akira confesses his feelings to Kyoko.