The story is about Park Ji Min, a 20 years old girl that her marriage is arranged by her family. She didn't objected the marriage though because she's too lazy to find herself a boyfriend and also because she trusted her parents choice. But it turned out she's supposed to get marry to a leader from the hottest Korean boyband in this era - EXO.

   She's shocked to learn that she'll marry an idol because it's like the last thing that will happened to her. It was so surreal for her. Furthermore, Suho is not his ultimate bias since she like Kris and Sehun better. So, despite the fact that she can marry one of the members from a popular boyband, she's quite upset. Marrying Suho, she need to move and live with other EXO members in the same apartment. What will happen to her? Can the love sparks between them? Can the rest of EXO members accept her as their new sister-in-law?