MDYD-519 My older brother’s wife, Miki Sato

守は兄と愛妻の美樹と暮らしている。ある日、風邪で寝込んでしまった守を、美樹はまるで特別な方法で看病する。それは熱による夢なのか、それとも本当に二人の体が触れ合っているのか…。しかし、美樹は家庭教師の誘惑に負け、彼と不倫関係に陥ってしまう。守は偶然にも、二人が激しく愛し合っている現場を目撃してしまう。そして、衝撃と欲望が入り混じった感情に深く揺さぶられる…。美樹の不倫をネタに脅迫した守は、夜中に美樹の家に忍び寄り、眠っている夫の隣で彼女に性行為を強要する。そして、これはほんの始まりに過ぎなかった…。

Mamoru lives with his older brother and his lovely wife, Miki. One day, as he's bedridden with the flu, Miki seems to nurse him in a very special way... Is it just a fever induced dream, or are their bodies really touching like this...
But Miki also falls into the seductive hands of a private tutor, and starts having an affair with him. Mamoru happens to catch them in the act, as they're fucking away passionately... And he's deeply rocked by shock filled desire...
Using his knowledge of Miki's love affair as a tool to blackmail her, he sneaks up on her in the evening, and forces her to have have sex with him, next to her sleeping husband...And this was just the beginning...