After 10 Years, A Sister And Brother Take A Bath. The Virgin Brother And Sister Who Couldn't Control Their Erections Have Sex Every Day. Mahiro Yui

SODSTAR×桃色家族合作企划。大学生姐姐暗地里喜欢着弟弟。麻妃罗下定决心，在弟弟洗澡时全裸进入。时隔十年两人一起泡澡。虽然弟弟吓了一跳，但阴茎逐渐变大，最终越过了那条线。之后两人多次互相索求身体，开始不戴套进行禁忌的中出……