The great jahy will not be defeated! 07 (Square Enix)

Puny and powerless after an unfortunate encounter with a magical girl, the Dark Realm’s Number Two has her work cut out for her in the world of humans!As the Great Jahy’s collection of recovered mana crystals continues to grow and her schedule runs her off her feet, the Dark Realm’s second-in-command decides it’s finally time…to treat herself to a new bed. However, while Jahy’s standard of living increases, mysterious machinations brew in the background. Her self-proclaimed rival Saurva has returned to attack Jahy with a new power—that of light?! Even when her apartment has no running water for days, even when a ghost story keeps her shivering at night, the Great Jahy will not be defeated!