Anime Crossover: The City of Gluttony Begins with Demon Slayer

No supplies from the start, no System, no way to contact anyone, and even her spiritual energy must be carefully rationed. Luckily, I'm Tokisaki Kurumi, naturally beautiful, and the shadow I cast hides Zafkiel, the great power that controls time! As I dance a waltz along the threads of Mount Natagumo, arrange Upper Rank Demons on a platter amid the ruins of Infinity Castle, and elegantly lift my skirt for the swordsmen known as the Hashira in the Ubuyashiki estate... I gradually realize that the so-called "immortal" monsters of this world are practically tailor-made as portable power banks for me. I devour despair with the City of Devouring Time and execute the night with an old-fashioned rifle. This is the story of the worst Spirit, gracefully sightseeing and hunting in a world full of tragedy, while turning every villain into a specimen along the way. World visited: Demon Slayer