A super three-dimensional G cup that makes all the male students erect! - ! - ``Miki Toba'', a 27-year-old married wife of an active physical education teacher, makes her first undressing AV debut! - ! - From the end of school until the husband comes home, I aim for a short time to appear in AV! - ! - During class... A big-breasted teacher who is bad at teaching, who attracts the attention of male students with her G cup that shakes every time she runs, climaxes with her first affair while shaking her breasts even more than during class! - ! - A physical education teacher who loves exercise also loves sex! - !