It's Your Brother's Fault For Coming Into Your Room While You Were Masturbating, So Take Responsibility! The Cute Little Sister, Who Was Stopped Just Before She Came, Was So Horny That She Pushed Her Brother Down, Straddled Him, And Released Her Pent Up Sexual Desire In A Quick Riding Position...

こっそりオナニーするのが大好きな『妹』は、イク直前に部屋に入ってきた『兄』に怒り心頭！ズボンを脱がしてチンポを露出させると、勃起している事を確認して即ハメ！またがり杭打ち騎乗位で満足するまで激ピストン！まさかの状況に困惑しつつも我慢できず、暴発ぎみに中出しを連発してしまいました。【3人の妹が登場！】