help please help help help help help

guys whats the bl where the mc has a curse that causes misfortune/death to his friends and stuff and than the ml like dies bec he apporches him but not rly bec he comes back to life and has white hair but its not actually him or smthn and he is like obsessed with the mc and i think his hair has black tips. I think the mc has greyish blackish hair and i think his name was kwon idrk tho. I read it on bato and im trying to find it again guys help hellp help