https://www.mangago.me/read-manga/cherry_blossoms_after_winter/
Maybe this one?
forgot the name but yk the bl « lover boy »? check out the other most recent work of the author. it might be that, idk.
ah no that’s not it but thank you
that’s not it
Pheromone phobia? it's not on mangago though, you can search on other sites
Is it Passion?
It’s a yaoi manhwa and all i can remember is that the top has gray hair and is like really popular or something? And i’m pretty sure the bottom had black hair but that’s all i got