Choi Rin(You) is a completely normal student, at a normal art school, somewhere in the middle of Seoul, but her life is about to turn upside-down, as a mysterious guy is "stalking" her anywhere she goes. She got no idea why, but later she is to find out, that she's not a "completely normal student" after all. And after she sees the guy at her art school, litterally dancing in the designing room, she slowly falls in love with him... 

Later... One guy turns into twelve hot... Aliens?!

"And so, the twelve forces divided the three of life into two, and hid each side... The heart, hidden inside the heart of a young girl..."