It’s been seven years since the region of “Diogenes” was attacked by monsters known as “Daze”. In a rebuilt city, called "Anemoia", survivors live peacefully inside a green paradise to protect them from the Daze. Ritta, A young girl with an interest in old technology, after discovering a weird box with a Floppy Disc inside, leaves her town to enter the destroyed ruins, now named "Nostalgia" to attempt to uncover the past of her city. However, after being attacked by a Daze while attempting to rescue an injured stranger, she reawakes without a home or friends. Only with a strange device handed to her by a local urban legend. Now Ritta, who can use the device to become an armored superhero, will have to adapt to her new life as a member of like-minded vigilantes with similar powers called the “Re:Members”. All with a new home, new friends and foes, and the brink of her own sanity on the line.