a beautiful female teacher invites her favorite student home under the guise of 'make-up lessons'. invited by the popular her, the student steps through the door with expectations in their heart. but, on the night when her husband is asleep, she reveals her true nature with a bewitching smile. in the basement, even if the student reaches their limit, they are treated as a tool for sexual processing until she is satisfied, a secret time hidden behind a peaceful everyday life that no one knows about.