Kevin's girlfriend, Hana, really loves him. In fact, she loves him so much that she wants to share ALL OF HER FRIENDS WITH HIM, so he can use them WHENEVER HE WANTS.
Most guys would kill to have what Kevin has. He's good-looking, charming, and he has a HAREM of girlfriends who let him take them whenever, and however, he pleases. But, what he doesn't know, is that the FIVE BEAUTIFUL WOMEN who live with him and serve him, are about to see what happens when they get to USE KEVIN. After a night of heavy emotions, they decide to cheer their boyfriend up with a reverse of roles, and they show Kevin what it means to be living in a FREE USE LIFESTYLE.