Inja gang (I am Unbeatable)

Inja gang manhwa, I am Unbeatable, Injagang, , "Too great a talent wields the life of its owner." Woo-hyuk, who has a powerful body, lives with his tendency for committing acts of violence suppressed. Until one day, when he wanders into the Peach Club by accident, and gets his talent noticed by Yu-bin, the club's manager. She proposes Woo-hyuk follow her, and Woo-hyuk, who gets enamored with Yu-bin at first sight, accepts. Woo-hyuk thus enters the underworld. What is it that awaits him, glory or ruin?