～Tragedy of the Busty Schoolgirl! Pregnant and Fallen into Lewdness!～
Nagisa is a popular and serious female student at school. She serves as the class president and spends her days purely and uprightly with her boyfriend Jun. One day, she witnesses a fellow student, Hanzo, on the street. Hanzo was a troublemaker who caused violence in the classroom. Later, driven by a sense of justice, Nagisa goes to Hanzo's house and finds him and his uncle, the yakuza Takimoto Tatsu, there. Before she knows it, Nagisa is pinned down and held captive in the house, becoming a victim of gruesome sexual acts…
