Unable to overcome economic hardship, Mariko, an 18-year-old female student, lives with her mother and younger brother in an apartment after her father disappeared. After school, she meets a middle-aged man named Nakayama through a dating site. Though Mariko appears plain in glasses and uniform, her lack of paternal love makes her increasingly perverse, even begging for slaps across the face. Her buttocks are spanked until red, and she is relentlessly taken from behind while standing, causing her to slowly leak arousal…
