Isekai kara no Kigyou Shinshutsu?!

Former black company employee Jiro Tanaka leaves his job due to overwork In his home he founds a job recruitment template which is from another world company The job is to test the dungeon created by the demon king There the days of diving into the dungeon as a dungeon tester were waiting for him to complete the dungeon that even the hero would not be able to clear He has a hot dark elf boss who has an amazing ability Magic resistance The New life of our MC starts