Ever since Masaaki separated from his mother when he was young, he has lived with his father for two years. In Masaaki's memory, his mother, Ema, was kind and beautiful. Time passed, and on the day Masaaki celebrated his 25th birthday, a letter arrived from his mother. It was written there that she wanted to see her for the first time in 20 years. Masaaki decided to meet with pleasure. The place of the reunion was a hot spring resort where three parents and children used to go. At this time, Masaaki didn't even realize that his admiration for his mother had turned into his romantic feelings...
