俺だけ隠しダンジョン制覇のランカ, Ore Dake Kakushi Dungeon Seiha no Ranker
I'm the Only Ranker Who Can Clear the Hidden
Summary
This is the story of a protagonist who delves into various dungeons and sticks to his motto. a new profession called Dungeon Adventurer'' emerged and began to attract attention, which used magic and skills to exterminate magical beasts.
