Unfortunately that doesn’t narrow it down at all do you remember their hair colors or any other details that would make it identifiable?
Someone found it for me!! (Also sorry for the weird descriptions l vaguely remember the Yaoi)
Nopeee
Also the seme was blond haired and the uke had brown hair
Search here
https://www.mangago.zone/tag/big+dick/
sounds like this https://www.mangago.zone/read-manga/wait_in_bed_tonight/
So l read this Yaoi about a huge like strong seme and his kinda cutesy boyfriend! And the seme is scared of hurting the uke because his d1ck is too big for the uke and stuff I CAN'TT FIND THE NAME HELP ME btw it was a short story (less than 20 chaps)