Starting a Business in Another World?!

Story:

A brief description of the manga Starting a Business in Another World?! Former Black Company employee Jiro Tanaka quits his job due to overwork. In his home, he finds a recruiting template that belongs to another global company. The task is to check the dungeon created by the Demon King. There he was waiting for days of immersion in the dungeon as a "dungeon tester". He has a hot dark elf boss who has an amazing magic resistance ability. A new life of our MC begins!