The Fox Goddess - Chapter 539 Parting Part 6

... there was still room for development for Aika and Katsumi the same thing could be said for Yumie since she could still grow more. But for now, she knew that out of the three, Yumie was the most gifted three, there was nothing changing that at least for now, but maybe in the future. If given the right time, something could happen that changes the course of events and someday one of the two sisters would eventually surpass Yumie.

"Don't dwell on such things anymore. Just enjoy this moment ...