Kang Dooshik is the second protagonist and Jooha’s protector. Although he comes from a criminal background, he becomes fiercely loyal to Jooha and is one of the most popular characters in the series.

Kang Dooshik is one of the central protagonists of the BL (Boys’ Love) manhwa Pearl Boy. He begins the story as a charismatic but financially desperate drifter and former host, then becomes a fiercely protective partner to Jin Jooha, the series’ other lead. His combination of confidence, loyalty, humor, and toughness has made him one of the most popular characters in the series’ fandom.
forms the emotional core of Pearl Boy. Much of the narrative revolves around their struggle against figures such as Choi Pilwon and other underworld rivals who threaten their future together. Their journey from hardship and trauma toward a happier life is one of the series’ central themes.

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Kang Dooshik is one of the central characters in the BL (Boys’ Love) manhwa Pearl Boy. He begins the story as a charismatic but down-on-his-luck former host and gradually becomes the series’ primary male lead, known for his loyalty, confidence, and fierce protectiveness toward Jin Jooha.

What begins as an unusual encounter develops into a deep romantic bond. Unlike many people who exploit Jooha for his unique condition, Dooshik consistently prioritizes Jooha’s well-being and safety, becoming one of the first people to genuinely care for him as a person rather than a commodity. 

Many of the manhwa’s action sequences, confrontations, and emotional turning points stem from Dooshik’s determination to protect the people he loves. His combination of toughness and tenderness has made him one of the most popular characters in the series’ fandom.