Looking For Yaoi Manga

Ive been tryig to look for sidecharacter BLs, their naturally really funny and just making me feel stupid, so if anyone has a list or any BL recomandations that has a side character MC or anything relatwd to that, if you can, please send them? ٩(๑❛ᴗ❛๑)۶

Im looking for a yaoi manga where the two main characters have some sort of disease that makes heart appear on their body because of something to do with love and they have to take medicine for it to go away the two main characters are childhood friends and one had loved the other for a while and then they discover that they both have the disease and eventually get together....

this is all i remember about it please help me find the name of it(￣∇￣")

Do u guys know any yaoi mangas where like the seme touches the uke’s stomach when they’re fucking so he can feel how deep he is or where the uke is like wow you’re up till my stomach! I can feel it! This sounds so weird to ask but I wanna read stuff like this rn