The Takasugi family became a father and child family after their mother passed away three years ago. His father works hard for his daughter and her daughter, Masato, grows up quickly and lives together with their parents and children every day. However, Masato has become more emotional of his father than his parents and children, and he spends his days consoling himself to comfort himself and extinguishing his body. One day, Masato's desire to be able to hold back his thoughts will finally explode!