突然、従妹のねねが独身の俺の家に泊まらせてくれとやって来た。ねねは最近結婚したばかりなのだが、どうやら旦那と喧嘩して家出してきたらしい。彼女は昔から破天荒というか自分勝手というか、人の迷惑なんか考えないとんでもない奴。泊めるとは言ってないのに、勝手に風呂に入り、声が聞こえるようにオナニーを始め…。Suddenly、 my cousin Nene came to my house asking to stay with me. Nene had recently gotten married、 but apparently she had run away from home after a fight with her husband. She has always been a wild、 selfish、 and outrageous person who didn't care about other people's problems. I didn't say I would let her stay over、 but she took a bath anyway and started masturbating so that I could hear her voice....