One Monday morning, Ai is having trouble while running at the school's marathon activity, and is confused with why her friend, who also has fairly large breasts, seems to be not bothered after running for a long time.
Released: Jan 01, 1970
Runtime: 00:5:14 minutes
Genre: Animation, Comedy
Stars: Sayaka Harada, Junji Majima, Ai Kayano, Yasuaki Takumi