OYC-246: 我是一個隱士，總是從房間裡的窺視孔觀察我的妹妹。 - 但是有一天，我和男朋友發生性關係的姐姐，當她的眼睛與我相遇時，她開始感到額外......？

I'm a recluse who always observes my sister from the peephole in the room. - But one day, my sister, who is having sex with her boyfriend, begins to feel extra when her eyes meet me ...?