Light Yagami, the main character in the anime "Death Note," manipulates his surroundings in several ways to achieve his objectives of creating a world free of criminals. He uses the Death Note, a supernatural notebook that allows him to kill anyone by writing their name in it. Light strategically plans the deaths of criminals and those he deems unworthy, using the Death Note to manipulate events and people to further his goals. He also uses his intelligence and charisma to gain allies and outsmart his enemies, all while maintaining a facade of innocence and righteousness.
