Wolf in the Cage

Six grew up abused in the circus since childhood. Marlon is the underboss of the Cage Family that rules Portland and treats Six like a human being for the first time. The story of a boy who does not forget his pure heart and warm affection even in an underprivileged environment and a man who has everything but has never enjoyed a peaceful life. "I like you, Marlon. I mean it. I really love you. I'm sorry. I'm sorry for falling in love with you..."

(Source: Ridibooks, translated)

Note: Chapter count includes one side story.