Everyone finds Lee MiYoung as someone who is mysterious, unknown, and cold.  Everything about her is unknown, even her age! To Choi MinHo, she was, no, is something.  He didn’t know what, but he sure knows how to know an unknown girl. 

They were the best of friends since the first grade. They will do many things together and enjoy each others company. He's by her side while she's on his. Suddenly, what w