i can’t remember the name!!

pls help me find the name of this bl i read a while ago, i don’t remember much but i think it was about a black haired man who pretended to be blind idk why and this other blond dude that i think killed someone and the blind guy had to pretend he couldn’t see it? it was something like that i don’t remember exactly, i thinkthere was a piano involved in there somewhere? like the blind guy went to the blond guy’s house tomplay the piano and there was a dead body or something like that i fr can’t remember but please if someone knows lmk