old man yaoi

https://www.mangago.me/read-manga/midnight_rain_ctk/

https://www.mangago.me/read-manga/on_doorstep/

Here these two are one of my favorites, but I do recommend looking through this tag aswell

https://www.mangago.me/tag/bara/?page=1

omg they look interesting and ofc the art style is amazing!!

https://www.mangago.me/read-manga/nichijou_climax/
https://www.mangago.me/read-manga/itooshiki_hibi/ (senior citizen yaoi, shows them through their whole lives)

Probably basic recommendations and you might have already read them! But two of my favourites of all time

i juat finished reading this and i cried i love them so much