My sister, who took pity on me and promised to only rub pussy against me, gives me a bareback fuck, and we both feel so good that we get sore! 女校學生的妹妹同情沒異性緣的我，「只是摩擦而已喔」便答應讓我無套摩擦，結果因為兩人太爽，無套肉棒不小心滑進濕透小穴！「咦！？插進來了？」 於是怎樣都停不下來的中出！