Board Thread:General Discussion/@comment-856627-20160530181225/@comment-856627-20181120211235

^The manga was never too popular to begin with, so it's more of a matter of having enough material. If Toei wants to continue doing a long-running series, though, they'll probably have to wait like 2~3 years and adapt one chapter (or even less) per episode when they get to the monthly chapters.