Sehun's Secret ....   Oh Sehun   The maknae in the group of kingkas called EXO in the school Yoon High. He is a trouble maker but he is insanely smart. He is the son of Mr. And Mrs. Oh. Mr. Oh is the owner of the Oh company, Korea's current top company while his wife owns a mall, and she's no stranger to the fashion industry. Oh Sehun is a talented young man; he is a great dancer and he can rap.  He has a cousin named Yoon Bora, the daughter of Mr.and Mrs. Yoon. Mr. Yoon is the