JK elementary school sister's after-school tutoring, on the surface she is a quiet and obedient elementary school sister, but secretly she is the teacher's little pervert.

The film tells the story of a seemingly quiet and obedient elementary school girl who receives after-school tutoring from her teacher, but secretly is the teacher's little nympho. The film showcases elements such as homemade, real couples, couple selfies, cheating housewives, affair records, cuckolded housewives, and selfie zones, providing audiences with a unique audiovisual experience.