Kippei Katakura is a high school playboy who flirts with any girl he sees. His life is turned upside down when one day his 5-year old cousin Yuzuyu shows up at his house after her mother had seemingly abandoned her. Kippei has been charged with the task of taking care of Yuzuyu, and he must learn how to become the mother that Yuzuyu needs. (Source: ANN)
