Looking for a manga(bl)

Helloo! I've been looking for a manga, not sure if it was tagged as yaoi or shounen ai but heres a description(from what i remember). (I suck at describing btw) They had like magic(?) I think and mc got like turned into a cat(more like grew ears and tail), and ml tried helping him. They also found out that the reason why mc kept passing out is because he gave his power or maybe like his life force to ml in an accident before, honestly thats all i remember.

Update: I found it :D For anyone who's curious this is what i was looking for: https://www.mangago.zone/read-manga/neko_to_mahou_wa_kiss_de_hodokeru/