It's about an anime named Death Note where the main character(named Light) finds a notebook (dubbed death note), and has the ability to kill anyone if he writes

It's about an anime named Death Note where the main character(named Light) finds a notebook (dubbed death note), and has the ability to kill anyone if he writes their name in the book. Noone knows he has it, but someone names "L" is hired to find out, and eventually traces the deaths to Light.