A story about getting laid by a girl who looks poker-faced and cool on the outside but has a vulgar, sloppy and erotic body

いつも無表情でクールな見た目と裏腹に下品でだらしないエロイ身体(Hカップデカ乳輪雑魚ま〇こ)してる女の子にえっちしてもらえる話