Hi Can you please recommend me bl manga or manhwa where one of them is handicapped or has ...

https://www.mangago.me/read-manga/legs_which_cannot_walk/
Extremely fluffy, ML takes care of MC with all his love! MC is definitely and totally living the life when he's with ML. Definitely isn't a red flag, nope, no way.
Totally not being sarcastic at all ヾ(❀╹◡╹)ﾉ~

That's just mean

But thanks

Well I recommend this one!! If u haven’t already read it https://www.mangago.me/read-manga/kimi_no_yoru_ni_fureru/

Sozzz
But here's another rec, it's not really a handicap per se but this https://www.mangago.me/read-manga/heating_up/
About a guy who has a really cold body and suffers due to it but his lover is someone and something who can actually give him his missing warmth

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

Not a scar, but a disfiguring birthmark.

https://www.mangago.me/read-manga/sign_language/
The ml is deaf

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