This is Demon Slayer! (Kimetsu no yaiba) There exists demons, the demon king (Muzan Kubutsiju) also the twelfe kizukis, Uppermons:1.Kokushibo, 2.Douma, 3.Akaza, 4.Nakime, 5.Gyokko, 4.hantengu, 6.daki and 6.Gyutarro! lower moons: 1.Enmu, 2.Rokuro, 3.Warukaba,4.Mukago,5.Rui,6.Kamanue and 6.Kyogai . And there also exists the demon slayers/hashiras: Sanemi Shinazuagawa, Gyomei Himmejima, Tengen uzui, Iguru obanai, Kyojuro Rengoku, kanroji mitsuri, muichiro tokito, Shinobou Kocho and gyuu tomioka. and the kamaboko squad: tanjiro Kamado, nezuko Kamado (she is a friendly Demon) Inosuke Hashibira, zenitsu Agatsuma, Kanao Tsuyuri, Aoi kanzaki and genya Shinazuagawa.

afton got somehow teleported whit the fnaf 1 Animatronics in a room where they atlre stuck in for 24 hours