Death Note (2006)

A gifted student discovers a deadly notebook and sparks a high-stakes battle of wits with a mysterious detective

When brilliant but disillusioned high school student Light Yagami discovers a mysterious notebook that grants the power to kill anyone whose name is written in it, he begins eliminating criminals under the alias "Kira" in a self-declared mission to cleanse the world. As global authorities panic, a genius detective known only as L emerges to stop him, setting off a tense battle of intellect, morality, and manipulation between two brilliant minds on opposite sides of justice.