Death Note 9 by Tsugumi Ohba

Light Yagami is a promising top-class student and bored. But that changes when he finds the DEATH NOTE, a note dropped by the Grim Reaper, the Grim Reaper. Anyone named in the notebook died, and Wright vowed to use the power of the DEATH NOTE to remove evil from the world. However, when the criminal dies, authorities send the legendary detective L to track down the murderer. With L on the heel, Wright loses sight of his noble goal ... Or his life? bored As L and the police approach, Wright tests the limits of the DEATH NOTE's power. Fortunately, Wright's father is a Japanese police chief, leaving important information about the incident at home. With access to his father's files, Wright can stay one step ahead of the authorities. But who is the weird guy following him, and how can Wright protect himself from enemies he doesn't know his name?