I Became a Legend after My 10 Year-Long Last Stand

I Became a Legend After My 10 Year-Long Last Stand is a Japanese light novel series written by Ezogingitune and illustrated by DeeCHA. It was serialized on the user-generated novel publishing website Shōsetsuka ni Narō from June 2018 to January 2021. The series was later acquired and published by SB Creative under their GA Novel imprint in February 2019. A manga adaptation illustrated by Chako Abeno and with composition by Kitsune Tennōji began serialization on Square Enix's Manga Up! manga website and app in August 2019. An anime television series adaptation produced by Gekkou premiered in July 2026.