Unbeknownst to her, Yui finds herself in the hospital due to an accident. Her husband's best friend, Tetsuya, steps up to help out by lending his strong arms to the household chores. Despite knowing that she shouldn't feel this way about him, Yu can't help but admire Tetsuya's sturdy build. As he holds her close, she yearns to be taken completely by him. While her husband is away, Yu gives in to her pent-up desires and pleasures herself, unaware that Tetsuya has returned...

不慮の事故で入院してしまった夫に代わって夫の親友・智也が力仕事を手伝いに来てくれた。夫にはない逞しい身体に見惚れる優。助けてくれた恩人相手にいけないとわかっていても、身体が熱く疼き出してしまう。あんな力強い腕に抱かれて最奥まで一気に貫かれたい。夫が入院している間に溜まり切った肉欲に支配された優は衝動のまま一人自分を慰めるのだが、そこに帰ったはずの智也が現れて…。