「わたし…他のチ○ポも挿れてみたい！！」真面目過ぎる兄嫁が兄以外のチ○ポ初体験で淫乱モンスター化！だらしないボクと違って優秀でエッチなことにあまり興味のない兄。そして兄としかエッチしたことのない兄嫁。その兄夫婦がしばらく実家に住む事に！？すると真面目…
"I Wanna Get Penetrated By Other Dicks Too!!" My Very Serious Sister-In-Law Turns Into A Nympho When She Cheats On My Brother For The First Time! My Talented Big Brother Doesn't Seem Too Interested In Sex, Unlike Me, His Sloppy Little Brother. His Wife Has Only Ever Had Sex With Her Husband. So When My Brother And His Wife Came To Live At The Family Home For A While...
