Atsuko Nagai, a third-year high school student with beautiful thick, smooth, long black hair, appears to be serious and innocent, but she is Miyamoto's wife who has feelings for Norio Miyamoto (40 years old, married), a middle-aged teacher at the same school. Taking advantage of Miyamoto's absence, Satoko barges into the house like a wife and easily knocks Miyamoto down just by looking up at him. She gets a long cock shoved into her small mouth, gets pounded violently from behind while her uniform is exposed, and falls in love with her middle-aged techniques...