The world has become a slaughtering ground for the Crimson Denizens, mysterious beings from a parallel universe who thrive on the life energy of humans. These merciless murderers only leave behind scant remainders of souls called "Torches," which are mere … Satoshi Hino, Rie Kugimiya, Masashi Ebara, Hitomi Nabatame, Mitsuo Iwata, Mamiko Noto, Kenta Miyake Added on Hulu 2022-03-29, leaving 2024-10-01.