The Magical Revolution of the Reincarnated Princess and the Genius Young Lady, Vol. 5 (Novel) - Piero Karasu

There's one thing Anis can't go without if she wants to run a magical academy--magicite. Fortunately, an untamed region to the east is teeming with this vital resource, so she and Euphie decide to journey there on airbikes to stock up. Wait, doesn't this sound like a honeymoon?!