Responses
https://www.mangago.me/read-manga/hidamari_ga_kikoeru/ should be this one!
Omgg Tysmmm!!
The only thing i know with sign language just 'sign' manhwa, but it's different with your description. Still recommended though :)
oh I read that too! I love them. They're so cute together ╥﹏╥
damn i forgot my favorite bl manga ahhhh. it was a guy who is deaf and use a sign language, he has a light hair. the bottom is short like a kid and has black hair. They meet in the rooftop where they eat their lunchbox. That's all i remember the first episode.