1. Introduction EXO is a nine-member idol boy group of SM Entertainment consisting of Suho, Siu Min, Ray, Bae Hyun, Chen, Chan Yeol, D.O., Kai and Sehun. The name EXO has a motif in the 'exoplanet' which means an extraterrestrial planet outside the solar system, and it means 'a new human from the unknown.' Originally EXO-K 6 EXO-M 6 members of the 12-member debut, EXO-M Chinese members withdrew in succession, became nine-member. EXO-K and EXO-M are separate groups other than EXO units and are called EXO when EXO-K and EXO-M are active. The catch phrase is "We are One! Hello EXO!" When EXO leader Suho docks as "We are," other members call out "One!". Before we get on stage, or when we're about to cry out, we'll say "Let's love!" It is a group that enjoys great popularity from 2013 when the growling craze started to blow. In the early years, the fandom of adolescents became mainstream, but with the popularity of...