https://www.mangago.me/read-manga/peace_of_god_mgs/
Unless you mean the other one where one of the dudes is the champion of the underground boxing ring of an art gallery + is lowk the plaything + muse of the owner of the art gallery and almost all the art there is erotic depictions of him
but I need to look for that one again
https://www.mangago.me/read-manga/imperfect_combustion/
LMFAO i found it again just as you said you found it
Man I forgot about this one cause I was letting it hella marinate
Happy reading!! ヾ(❀╹◡╹)ノ~

gusy what's that one popular yaoi where the uke was a boxer or was it both of them i think and the uke was also like kind of decieivng the seme I can't explain omfg if only my.resdinf list wasn't gone