The Great Jahy Will Not Be Defeated! volume 4 features story and art by Wakame Konbu.

The Great Jahy's quest to collect mana crystals is going all wrong! Between the exhaustion from her part-time job and the pressure from her magical girl nemesis, her mental load has long since reached its limit. But even when she ends up fibbing to keep up appearances, even when she impulsively buys a bunch of useless junk, the Great Jahy will not be defeated!!

The Great Jahy Will Not Be Defeated! volume 5 features story and art by Wakame Konbu.

After countless obstacles, the Great Jahy finally—finally—manages to get her hands on a mana crystal! Now, with her pride as the Dark Realm’s No. Two on the line, Jahy prepares to battle the magical girl and defeat her once and for all?! What tremendous turn will Jahy's fate take this time?! For even when the weather thwarts her plans, even when she’s wracked by paranoia, the Great Jahy will not be defeated!!

The Great Jahy Will Not Be Defeated! volume 6 features story and art by Wakame Konbu.

Fresh off a dubious victory against the dread magical girl, the Great Jahy returns to her mission to restore the Dark Realm with renewed purpose! Discovering that her beloved Dark Lord has been revived adds to her high spirits too!

With everything that’s happened, though, can the bond between the Dark Realm’s master and its right-hand woman remain as strong as before?!

But even when she and the big boss are possibly on the rocks, even when she picks up a stalker, even when she’s caught in the middle of a minion squabble, the Great Jahy will not be defeated!!