Ore dake Haireru Kakushi Dungeon: Kossori Kitaete Sekai Saikyou
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～
A young man from a minor noble family finds his job offer rescinded before he can begin. He has the unique ability to consult a powerful sage, though the process causes him severe headaches. Seeking guidance, he turns to the sage for direction and is led to a hidden dungeon containing rare creatures and magical artifacts. There, he begins training to gain strength and resources, hoping to alter his future.
