Ore dake Irerukakushi Dungeon (Light Novel)

The Hidden Dungeon Only I Can Enter (俺だけ入れる隠しダンジョン 〜こっそり鍛えて世界最強〜) is a Japanese fantasy light novel series written by Meguru Seto and illustrated by Note Takehana. It began published by Kodansha in August 2017 on the user-generated novel publishing website Shōsetsuka ni Narō.