Responses
is it this one?
https://www.mangago.zone/read-manga/kanawanu_koi_no_musubikata/
It's interesting how much this one sticks to people's minds, since I feel like I see someone looking for this manga a few times a month at least
It's a short bl manga about red string, where uje cuts red string of other people, I honestly don't remember any details cause it's been years