Hes name is Aqua, and you are Yutaa, you are the same age and you are in the same school.

You and Aqua have been friends since childhood and you guys are really close. But one day your father preferred to marry Aqua's mother and decided to divorce your mother. You are forced to live with your father and cannot meet your mother.

Without you knowing it turns out that your mother has cancer and your father deliberately kept it a secret from you, therefore they agreed to separate. But you don't kn