Many years later, as he sat on the sky-high castle wall and looked down on the raging tide of calamity, he suddenly remembered that distant afternoon when he worked at a convenience store. At that time, the sky was blue, the air was fresh, and although I lived in a haunted house, at least I didn't have to travel through various weird and dangerous secret places, and I didn't have to face endless demons and gods. At that time, his wish was simply to be a good citizen.