Nagasawa Tsugumi appears as a school girl for the last time in this work, taking on the forbidden theme of incest. Shocking scenes unfold as her pure appearance is tainted by her father's sweat, saliva, and semen. Her inexperienced pussy is penetrated by a large, thick cock, and though tears stream down her face, Tsugumi writhes in uncontrollable pleasure, ultimately reaching a powerful climax.