Yuko lives a modest but happy life with her beloved husband and their only son, Takao. Takao has grown up, and aspiring to become a baseball player, he works harder than anyone else and is recommended to a certain school... However, his joy is short-lived as he is involved in an accident and his recommendation is revoked. Unable to bear seeing Takao lose his dream and become desperate, Yuko decides to help him with his rehabilitation. With her mother's positive smile and her all-encompassing, voluptuous body, Takao's injury gradually begins to improve, but...