The Villager of Level 999 is a Japanese light novel series written by Koneko Hoshitsuki and illustrated by Fuumi. It was initially serialized on the user-generated novel publishing website Shōsetsuka ni Narō from July 2015 to December 2018. The series was later acquired by Enterbrain and published from April 2016 to January 2019. A manga adaptation illustrated by Kenichi Iwamoto began serialization in Kadokawa Shoten's seinen manga magazine Comp Ace in May 2017. An anime television series adaptation produced by Brain's Base premiered in July 2026.