The heroine of this work is Chisato Morisaki, a female student from Sonomiya Academy, which produces many champions in various sports competitions. She is on the verge of participating in national tournaments for both track and field and swimming. This serious and stoic athlete spends all her time training and living an ascetic life. Such a beautiful girl is captured by a terrifying group of perverts and becomes the prey of overwhelming molestation. Choking back sobs of humiliation, she panics as her inner lewdness is exposed. The door to her world of lust has been forced open.
