Ji Yun seol is an 23 year old girl who hides from reality. Who feared of Looking in the real life, Because of Her Pasts that were still not yet unlocked, Remembered, and known until now. And Because of her situation, She just stayed in doors. Keeping out of reach with anyone she knows. What If one day, The World's Largest Famous Kpop Boy group, EXO would later move next to her apartment? What will happen if these people would all met? Would it be a disaster? Or not?