連れ子の居る男性と結婚した茉莉奈。義息子の和也とも円満であったが、やはり子宝を望み、妊活にも励んでいた。しかし夫が急に長期の単身赴任になって…。最初は何事も無く和也との二人暮らしを過ごしていたが、徐々にボディタッチが増え始め、茉莉奈は妙な違和感を感じ始めていた。そして、行動はどんどん大胆になって、とうとう彼女の入浴中に押しかけて…。

Marina is married to a man with a stepson. She is happy with her son-in-law Kazuya, but she still hopes to have a ***** and is trying hard to conceive. However, her husband is suddenly transferred to a new post by himself for a long period of time…. At first life with Kazuya was uneventful, but gradually the body touching began to increase, and Marina began to feel a strange sense of discomfort. And his behavior became more and more daring, and he finally broke in on her while she was bathing…