「姉ちゃんどうしたの?」看護師の姉が10連続夜勤の禁欲生活で狂ってしまい目の前にチ○ポがあれば弟だろうと強引に挿入!
"What's wrong, sister?" The sister, who is a nurse, has gone crazy after working 10 consecutive night shifts and abstaining from sex, and when she sees a dick in front of her, she forces it in, assuming it's her brother's!