オサナネトリ～好きだった幼馴染人妻を寝取った結果

Yuu never got over his first sweetheart Ayu and jumps to the occasion of being her fling once he discovers she’s frustrated and looking to cheat on her husband. As they keep having sex more and more often, he gets depressed as he realizes he’s a mere substitute or husband. But both Ayu and Yuu find it hard to stop now so their passionate twisted relationship continues...