Part of that is now changing as the dub is departing Crunchyroll but will still be available on Funimation’s site.
A mysterious button suddenly appears one day, and characters who press it are taken to a new world to gather.
The spring 2019 anime project Isekai Quartet that focuses on the Overlord and Saga of Tanya the Evil characters and more had its dub available on both Crunchyroll and Funimation thanks to their partnership.
The series has Minoru Ashina writing and directing the project with character designs by Minoru Takehara, who also serves as the chief animation director.