You should read Release Your Persona if you haven't read it yet. It's really good and heartwarming!!
https://www.mangago.me/read-manga/release_your_persona/
I also have a lists of completed bl fluffs that you could check out ๑❛ᴗ❛๑
1: https://www.mangago.me/home/mangalist/2229712/
2: https://www.mangago.me/home/mangalist/2788957/
(Newer) 3: https://www.mangago.me/home/mangalist/3562863/

I'm looking for heartwarming stories to read this rainy season ( T﹏T )