Warning: This AU is based on Demon Slayer. Many things that happen in this AU are inspired from things that happen in the anime. If you haven't watched it I recommend clicking off right now. You've been warned. Japanese tourists have flied to Sodor to get pictures of the North Western's engines for a museum in Tokyo. However shortly after the Japanese tourist arrive engines and people on the island start acting weird. Killing and eating any humans in sight. Now it's up Henry, his driver Sara Guetta and backup firemen Linwood Taylor to try to survive this chaos.