Nae Hayan Neukdae-neun Gwihada

Abandoned for his white fur and red eyes—deemed a curse—the wolf Adrian was saved from the brink of death by the Black Panther King, Leon.

Grown under Leon’s protection, Adrian faces a life-threatening crisis when his first heat arrives, as his body is overwhelmed by an excess of pheromones. Ultimately, Leon begins to claim him under the guise of "treatment"... (Source: ToYou's Dream, translated)

Original Webtoon:
Bomtoon, Lezhin