This one puts you behind the counter of a dying Akihabara and asks you to care about fiction itself rotting away. The premise is pure otaku wish fulfillment: a virus is eating the worlds of the works people love, memories are vanishing with them, and a squad of shop girls dives in to patch the holes. It runs on a strict episodic magical girl rhythm, closer to Precure or a monster-of-the-week Pokemon loop than anything with a spine, and the pastel palette does most of the emotional lifting. Be honest about what you are signing up for: the storytelling repeats itself, the animation buckles, and episode five was famously yanked from streaming and sent back for repairs before it could air again. Watch it anyway if the idea of otaku culture in decline hits somewhere tender. It is a comfort show with a genuinely sad thesis underneath the cute.
In a near-future Akihabara stripped of its former glory, otaku culture has faded from the world's memory. The district that once served as a sacred ground for fans is now little more than an office town, and only a handful of specialty shops still stay open. A virus is destroying the worlds of creative works, and when one falls, it vanishes from everyone's memory and from reality itself. In a small shop tucked into a corner of Akiba, twelve girls take up the fight against the virus to protect people's cherished memories of manga and anime and bring the district back to what it once was. At one of these last remaining shops, Izumi and a few comrades set out to recover what has been forgotten. Adapted from a FuRyu mobile RPG, the show mixes action, adventure and science fiction.