Sehun and Luhan were band mates in SM new boygroup EXO. They had been best friends for 5 years now. Having same dreams to be artitsts, they auditioned for SM and passed cause both of them were vey talented. Sehun - the younger was a very childish and playful child while Luhan was older and more mature than Sehun. Though different in personalities, they were so close together that the others members of EXO kept teasing and coupling them hard!! But Sehun and Luhan insisted on denying that the