Light Tuchihi is a fictional character from the popular anime and manga series Death Note. He is a highly intelligent high school student who discovers a mysterious notebook that allows him to kill anyone by writing their name in it. Driven by a desire to rid the world of criminals, he adopts the alias Kira and begins a complex game of cat and mouse with law enforcement. As Kira, Light becomes increasingly manipulative and strategic, drawing the attention of the brilliant detective L. Their intense rivalry forms the core of the series, exploring themes of justice, morality, and the consequences of absolute power.