He was a famous k-pop idol but with a dark secret that no one know. His old name was Lee jihoon and he also was known as the 1st generation king. He accidently make his lover pregnant but he choose to abandon his daughter soon after the baby was born because his lover die giving birth to the baby.

5 Years later,as a Kang Dagyeom, he start to looking back for his daughter. He wouldn't mind to kill everyone who try to get in his way