Before I realized, I had become the guardian of a dungeon, a Demon Lord. I was suddenly in a dangerous world with giant monsters loitering around, fighting for their existence, so I thought to go about developing the dungeon in order to not die but —- fo

Oogami, a salaryman working for a bedding company, has a pretty standard routine. He does his work, keeps to himself, and hides his huge crush on his beautiful supervisor. Normally this does just fine for him, but when hes suddenly transferred to his secr