- Kira City is a fictional city that is featured in the anime and manga series "Death Note." It serves as the main setting for the story and is the home of the main protagonist, Light Yagami. Kira City is known for its high crime rate and corruption, which prompts Light to take on the vigilante persona of "Kira" in his quest to rid the city of criminals. The city is depicted as a modern metropolis with tall skyscrapers, bustling streets, and a vibrant nightlife. However, as the story progresses, the city descends into chaos as Kira's actions provoke a global investigation.