[[WMG: ''FutariWaPrettyCure'' is set in the same universe as ''MahouSenseiNegima'']]
[[http://www.mangareader.net/209-14924-4/mahou-sensei-negima/chapter-91.html Evidence: Nagisa and Honoka appearing at the Mahora Festival in the fourth panel]].
How did they end there? Well, after the Dark King attacked Earth directly the mages finally tracked the Pretty Cures, and to keep TheMasquerade offered them a scholarship and training in Mahora. It would also explain how they became able to one-shot a Zakenna in the All Stars movies: the training paid off.