They were finally supposed to become a real family. Marina, who remarried to a man much older than her, had built a friendly relationship with her husband's child from a previous marriage, Ryota. Marina was happy that they had become close, like sister and brother, but then Ryota confessed that he loved her not as a mother but as a man of the opposite sex. Marina was confused by this sudden turn of events and started to think of Ryota not as a child from a previous marriage but as a man...