The prophecy has been revealed. Four Horsemen who will bring calamity and destroy the world will appear at the end of time. To destroy the world, wicked demons have appeared in the world. Their aftermath shakes the world and finally reaches a young man! "I don't want to live..." It's been a long time since he expressed such complaints. The protagonist, who was thriving by running a cafe, lost everything overnight due to his father's debt. Having lived life more diligently than anyone else, all that remains is bitter resentment, self-loathing, and... an enormous amount of debt. Except for the officetel where he lived, he lost everything in a desperate situation and blurted out one word in frustration. "Please destroy this damn world." Before jumping off the rooftop while looking at a shooting star... "You wish for the end of the world? Alright!" With a crimson flash, a woman calling herself the queen of hell appeared- Summoning the demon king at last, our protagonist becomes her minion(?), fighting until death... Survive against constant disasters! A cheerful and lively apocalypse begins!