Death Note has one of the most fast-moving and unique storylines in anime, capturing viewers’ attention spans effortlessly with a whirlwind of mystery. When Ryuk, a Shinigami who lives in another realm, drops a Death Note journal, it falls into the human world. Light Yagami, an ordinary high school student, gets his hands on the book and chaos quickly ensues as he devotes himself to wiping out every criminal in the world using the book’s deadly powers.
https://screenrant.com/death-note-entire-plot-one-reason-ryuk-bored/