After three years of marriage, my wife became pregnant and decided to go back home to give birth. She wanted to have her baby at her parents' house. As she left, I thought it would be nice to enjoy some time alone again, but then her younger sister came to help out with household chores while my wife was away. It had been a long time since we last saw each other, and she had grown up so much; she looked stunning and very attractive. Despite knowing better, I couldn't help but see her as a woman. Being stuck together in the same house made things even harder to resist. One day, when I caught her masturbating, I just couldn't hold back anymore...*The contents may vary depending on the distribution method.

結婚して3年が経ち、妻が妊娠した。妻は実家で出産したいと言って帰省する事になった。私は、久しぶりに独身生活もいいかなと思っていたが、妻の妹が家事等を手伝いに来てくれる事に。久しぶりに会った義妹はすっかり大人びて、スタイルも良く魅力的で、ダメだとは思いつつ、女性として見てしまう。同じ家に2人っきりでいると思うと落ち着かない。そんな時、オナニーをしている義妹を見てしまい、我慢できずに迫っていった…※ 配信方法によって収録内容が異なる場合があります。 特集 最新作やセール商品など、お得な情報満載の『卍GROUP ブランドストア』はこちら！