"Doujin Circle U-Dash" × "FunCity" collaboration series! A female teacher nicknamed "Iron Mask" by her students because of her seriousness is inspired by an exhibitionist woman she accidentally encountered, and is addicted to wandering naked in the school and is captivated by shameful pleasure ... - A total of 9 scenes are recorded in the classroom, gymnasium, and school wandering around the school and the body aches with shame! 01.Serious Ichitetsu "Iron Mask" and "Exhibitionist Crazy Woman" 02.Conflict masturbation in Sumire's room 03.Naked masturbation on the stairs of the school building 04.Miniskirt no panties provocation during class! 05.Self-exposure nude shooting on the rooftop06.Posting a selfie in the classroom ... 07. Caught by a student and physical education warehouse SEX 08 Raw squirrel fall in a shameful volleyball showdown 09.