Kang Dagyeom is a famous idol from South Korea and also the head of PTJ Entertainment, an idol training agency. He has a close relationship with Choi Dongsoo. He used to be known as Lee Jihoon but ditched the identity. he is the 1st generation legend who once killed a fist gang leader. became a legend due to his disappearing existence and he has achieved his goal then he changed his identity to Kang Dagyeom and now he is a famous idol with the stage name DG.