Kimetsu no Yaiba / Demon Slayer is a 2020 film that made over $400 million, passing the previous highest grossing anime film from 2001, Spirited Away. Demon Slayer is a show about a boy named Tanjiro whose family has been murdered by a demon except for his younger sister Nezuko who has been turned into one. He wants Nezuko to become human again, but in order to do that, he must go after a man named Muzan and take some of his blood and give it a demon doctor. The movie, Mugen Train, follows Tanjjro, Nezuko, and two friends named Zenistu and Inosuke, who are on a train with one of the nine Hashira (a demon slayer) named Rengoku. It will be released in American theaters on April 23,2021