Yuu-chan, an active F-cup erotic idol, makes her AV debut! Her first experience was at the age of 12, at the home of a senior in her second year of junior high school... She was so nervous that she doesn't remember much about it. Her erogenous zones are her clitoris and nipples. Today, unlike her erotic experience, she's nervous and stiff from all the new things she's been doing. But she's a masochist, so she wants to be dominated. Although she's shy at first, she gradually reveals her lewd nature, boldly shaking her hips and getting semen on her cute face...