SM ent. is so busy this year, their artist has alot of activities. Sm has already launched a comeback for Girls' Generation and SHINee and next stop is EXO. The Exo boys are already working hard for their first ever comeback, practices here and there. But what if, as their filming day for their MV came, a special Sunbae was cast as their leading lady in their Comeback song MV? --------------------------------------------------------------------------------------------------