Given that the MAOYU anime was produced by Arms, a studio known for their Queen's Blade and ero-anime work, it wasn't surprising that economics weren't the only focus of the adaptations of Mamare Touno's stories. Now, along those lines, as part of small selection of new MAOYU merch from multiple makers, Hobby Stock has scheduled a 3D mouse pad for July.
kindof true to the anime...
Cospa has also scheduled a few items for July, including
Demon King t-shirt
Demon King cell strap