Deep snow of class NO.1 beauty girl was a couple who matched with boyfriend of handsome. One day, she is called by her boyfriend and asked to join with a boy who is not good at class but only for a week. Although it is deep snow which has begun to hate while being disgusted, it is not possible to finally refuse it to the naughty demand that escalates every day, and a cock larger than a boyfriend is inserted and it is overwhelmed. The pleasure that has been remembered once, she also seeks the cock and then repeats the convulsive climax again.

クラスNO.1美少女の深雪はイケメンの彼氏とお似合いのカップルだった。ある日、彼氏に呼び出されクラスの同級生で苦手な男子と1週間だけ付き合って欲しいと頼まれ、OKしてしまう。嫌々ながら付き合い始めた深雪だが、毎日にエスカレートするエッチな要求に、遂には拒みきれず彼氏より大きなチンポを挿入されイキまくってしまう。一度覚えてしまった快感に、その後は自らもチンポを求め更に痙攣絶頂を繰り返してしまう。