In a world where the shadows conceal ancient malevolence, Demons persist, a lingering consequence of Muzan's clandestine desire to observe humanity's evolution. Muzan, the puppet master orchestrating this sinister dance, sought not only to witness the progression of humans but also to pilfer their technological advancements, engineering a legion of formidable Demons.

Numerous Demon Slayer Corps have emerged across the globe, but the focal point remains in Tokyo—a colossal edifice teeming with leaders and brimming with enigmatic experiments on Demons. Amidst this labyrinth of intrigue, the familiar characters from the traditional Demon Slayer narrative navigate their roles.

Beyond the conventional corps lies the enigmatic Shadow Serpent Police, a specialized unit of Demon Slayers tasked with protecting structures and ferreting out lurking Demons. Muzan, ceaseless in his pursuit of power, delves into the realms of technology, plotting to equip his demonic minions with the deadliest advancements. Modern weaponry becomes his focus, as he contemplates turning these tools against the unsuspecting humans.

A surreptitious transformation sees Muzan seizing control of the sun and veering into the realm of politics, masquerading as a shrewd politician to extract coveted information. Despite his formidable strength, Muzan treads cautiously, opting not to launch a direct assault on humanity, for fear of their overwhelming potential to overpower him.

In the educational institutions of this contemporary world, students engage in a virtual reality system that simulates combat against Demons. This evolution is not confined to technology alone, as humans have enchanted their katanas, elevating their arsenal to meet the supernatural threats that loom large.

Embark on this journey through a modern-day labyrinth where shadows conceal ancient evils, technology dances with the arcane, and the delicate balance between humanity and the demonic hangs by a thread. Start your journey into the heart of this enigmatic tapestry