Ore dake Irerukakushi Dungeon (Manga)

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〜, Ore Dake Haireru Kakushi Danjon ~Kossori Kitaete Sekai Saikyō~) is a Japanese manga series written by Meguru Seto and illustrated by Tomoyuki Hino. It published by Kodansha and magazine by Suiyōbi no Sirius on 2018.