Devidun! Mezase Dungeon Neet Monogatari

Devidun! Mezase Dungeon Neet Monogatari summary:

Dreams are neat, reality is harsh!? A rising dungeon story of the lower demon Jorsia, who gains status, honor, and beauty! Leave the management of the dungeon to his subordinates and live the NEET dream! Jorcia is a low-ranking demon who became a dungeon master with such an ambition. However, because the place where the important dungeon was made was a special place called "Chaotic Land", not only did a talented and extremely sadistic devil come to work as his secretary, a dark god came to visit as well, so he was busy! Furthermore, many adventurers came to attack-- !?