The Boxer Manhwa Volume 4 features story and art by JH.

The highly anticipated lightweight championship fight continues! Will Jean Pierre keep his belt, or will Yu win his first world title? Meanwhile, watching this all unfold is Yu’s old schoolmate, Injae, who was inspired to start boxing professionally himself. Injae’s got the spirit and resolve, but does he have the prowess to win his debut match?!

The Boxer Manhwa Volume 5 features story and art by JH.

With Yu having attained the title of Lightweight World Champion, K is now setting his protégé’s sights on the next weight division to conquer, Junior Welterweight. This will inevitably pit Yu against Yuto Takeda, a tremendous boxer who earned his belt through nothing but hard work—the antithesis to Yu’s natural talent. Will Yuto prove to be the first immovable obstacle in this unstoppable force’s path of destruction...?

The Boxer Manhwa Volume 6 features story and art by JH.

The fight for the junior welterweight belt continues as Yu and Yuto duke it out, with Yuto's tenacity making it difficult for even Yu to keep him down. But Yuto's refusal to give up may prove dangerous when paired with Yu's inability to know when to stop…! Meanwhile, Yu's explosive rise has piqued the interest of the infamous Santorino brothers, a duo notorious for the extreme measures they take to psych out the competition. When Carmen starts spending more time with Yu, the brothers soon clock her as someone important to him—putting her at risk of falling victim to their underhanded schemes!