"I'll become the face he can't forget, the name he can't escape, the girl stuck in his memories..." Moon Ji Yeon's boyfriend, Kris, admitted he cheated on her and left. Already an SM trainee, she finds that he is also in SM under their newest boy group, EXO.  Entertained by this new information, Ji Yeon quickly flys to Seoul to debut and see what kind of trouble she can cause. 2 years after and 5,066 miles away from the spilt, Kris is shocked when her voice is suddenly hea