In the vibrant metropolis of Hellsalem's Lot, once New York City, a peculiar fusion of humans and supernatural beings coexist after a portal to another realm emerged. Libra, a covert group of eccentrics and superhumans, safeguards order in this chaotic city to prevent global havoc. After acquiring mystical eyes at his sibling's expense, amateur photographer Leonardo Watch embarks on a journey to Hellsalem's Lot to restore his sister's vision. Unexpectedly, he crosses paths with Libra and becomes entangled in their unconventional world, where Leo's mundane existence transforms into a thrilling odyssey filled with enigmatic powers and bizarre companions. Join Leo as he navigates the quirkiest place on Earth and discovers the extraordinary within himself in Kekkai Sensen.