About a month ago, one of the greatest modern anime of all time ended its third season on an extraordinary note, and much to fans' delight, a fourth season was announced immediately after. Based on Gege Akutami's manga series, the dark fantasy anime was first released on October 3, 2020, to favorable reviews. Not long after, it became the second-most-watched anime series on Crunchyroll, behind only Black Clover, with viewers in 71 countries and territories, including the U.S.