it may not suit your description(mc is nit sick, he is blind)but onlu manga that came to mind is this https://www.mangago.zone/read-manga/kimi_no_yoru_ni_fureru/
its really cute tho
Lips
I already read it and I absolutely loved it! Thanks for the recommendation though!
I’ll check it out! Thanks!
Do you know about a BL where one of the main characters is sickly? good plot but no sad endings please!! thanks