Mizutamari Ni Ukabu Shima. We 're struggling to live, and we have hope. We are doing our best to be happy, because we should protect others. We believe in tomorrow and go forward as a person is in the distance. An older brother and younger sister waiting for their beloved mother to spend their days. Suddenly, a confirmed destiny hits the older brother, who worries about his son. The "story" begins in the middle of a rain downpour.