The Great Jahy Will Not Be Defeated! volume 1 features story and art by Wakame Konbu.

The Great Jahy, the Dark Realm’s second-in-command, cuts a frightening figure, feared and revered by all. But when a run-in with a magical girl results in the destruction of the precious mana crystal, the Dark Realm falls, transporting the newly tiny and powerless Jahy to the human world! Unfortunately, plotting the revival of the Dark Realm from a cramped, crumbling one-room apartment is no easy feat when you have rent to pay and a job to keep!

The Great Jahy Will Not Be Defeated! volume 2 features story and art by Wakame Konbu.

The Great Jahy, the Dark Lord’s right-hand woman, has fallen into the human world…and fallen low! After enduring many struggles and the results of her questionable decisions, however, she has finally managed to restore a sliver of her once-formidable magical power. Unfortunately, her difficulties in the human world are far from over! Will getting interrogated by the police or surviving on pennies until payday break her at last? Nay! For the Great Jahy will not be defeated!

The Great Jahy Will Not Be Defeated! volume 3 features story and art by Wakame Konbu.

When the magical girl responsible for the fall of the Dark Realm appears before her, the Great Jahy seizes on the opportunity to attack—and gets a taste of true terror. With the enemy close at hand, it’s time for Jahy to double down on her domination of the human world. Can she collect more mana crystals? Could she maybe even restore her dignity?! Even when the workouts are hellish, even when the neighbor in the apartment next door won’t stop making noise, the Great Jahy will not be defeated!!