Iam not sure if this the one your looking for but still check it out it's a super interesting cool manga (Hidamari ga Kikoeru)
Are u talking about Nanohana Boys? Its not a shounen ai so it's probably not what your looking for but: https://www.mangago.me/read-manga/nanohana_boys/
Summary: Two young men with disabilities, Onishi Yuu and Ishida Kenji. Their disabilities made their high school lives different from other students. The youthful story of the two who build a special friendship!
i’ll check it out :00
oh yes it’s that one! and oops i forgot it was just school life rather than shounen ai, thankss
anyone know the title of this shounen ai manhwa about 2 students who become friends because of their disabilities?? ummmm i don’t remember what disability they had but one had black hair