The third son of a "beggar noble" Nore found himself without employment and feeling lost. However, as he pondered his next move, fortune intervened. A hidden dungeon, unknown to all, presented itself, offering treasures such as rare magical beasts, powerful magic tools, and items that were scarce worldwide. This was the entrance that had been opened.
Ore dake Haireru Kakushi Dungeon: Kossori Kitaete Sekai Saikyou has been published in English as The Hidden Dungeon Only I Can Enter by Seven Seas Entertainment since November 17, 2020.