While the demand for isekai adventures hasn't died down quite yet, some series in this enormously prolific genre that had the potential to gain a massive following end up losing against much stronger competitors. Aired alongside some of the biggest hits in the industry, these shows wind up outside the limelight. Despite their seemingly universal appeal and compelling premise, these isekai series wasted their potential to go mainstream by coming out at the wrong time.
Based on the premise and talent alone, Drifters was a guaranteed hit, produced during the peak of the isekai craze in fall 2016 and based on the manga by Hirano Kouta, the author of Hellsing. This violent and over-the-top historical isekai featuring real-life heroes from different eras transported to a fantasy world for an all-out war.
Drifters unfortunately aired during a season packed with popular sports anime. Yuri!!! on Icewas an unexpected hit of the year, and Haikyuu!! 3rd Seasonwas an anticipated return of one of the biggest franchises in anime history. Sadly, it wasn't a fair competition for Drifters.