What happens when a world-reknown author and 12 certain pop stars meet? Meet Miryu, the odd, music addicted, loner child who got her work published  at the ripe age of 16 and it became an instant hit. The thing is, she put the author as Ryu, an adult. Everyone knows EXO, the 12 member who has got the hearts of girls throbbing but one girl isn't all too familiar with this band. SHe is forced to move to South Korea and goes into a apartment too big for her. Next door, twelve boys wonder who their next their neighbor is and their lives entertwine. They fall all together in a tunnel of laughs, sadness, and drama.