Kyonyuu na Aniyome wa Suki Desu ka -Teishuku na Tsuma ga Mesu e to Kawaru Toki | 巨乳な兄嫁は好きですか？ ～貞淑な妻が牝へと変わる刻～

To frequent the prepschool in the city, the protagonist that has failed the entrance examination the freeloader will do to elder brothers house. The protagonist that has gone to Tokyo insecure full feelings... However the elder brother and the sister-in-law embraced be gently with, In new life. Protagonist that knows one side of unknown up to now sister-in-law. In his heart the thought to the sister-in-law began to bud...