What are you doing during working hour? You know~ the hot and erotic ‘thing’. Nam-geun is having sex with the youngest female employee at work every lunch time and Kim is learning sex from a married superior. Lee is going around, poking everyone here and there. All of them get horny once work starts. One day, Hee-soo, the sexiest worker, comes back from China and she’s become e...

大学生俊河偶然与一名大姐姐发生了一场人生至今最棒的一夜情体验，从那晚之后，他始终对这位大姐姐无法忘怀，四处打听她的消息。就在俊河终于和这位大姐姐再度相遇时，却发现她竟然是未来的继母！？即将同住一个屋檐...