Dungeon No Aru Sekai De Kashikoku Sukoyaka Ni Ikiru Houhou

ten years ago, dungeons suddenly appeared all over the world. yuma minashiro fell into a dungeon on his way to a job interview. with no equipment and resigned to his death, yuma obtained an incredible skill: summoning. it was tough because all the spirits he summoned were beautiful girls, and the only way to become stronger was to flirt with them, but he set up a company, made money, and lived a happy life as a dungeon explorer.