one day in a sunny leisure day, a woman visited my house and asked me if I'm interested in managing a dungeon along with support offer from goddess. But of course, I refused. Eh? I shouldn't ignore person in trouble, moreover if it's beautiful woman? No way that's too bothersome and why do I have to do that? I'm perfectly satisfied with my comfortable life now, throwing it away is just overly stupid...... ...sigh, fine, so it's go to another world, become a dungeon master, manage a dungeon and deal with Mana circulation problem? Understood, but how to do it? Let me show you how to