Mahou Shoujo Magical DestroyersSeries

Set in a dystopic near future where otaku culture in Japan has been obliterated by a mysterious organization known as "SSC", Magical Girl Destroyers follows the misadventures of Otaku Hero - a young revolutionary who loves otaku culture - and Anarchy, Blue, and Pink, a trio of magical girls who admire him. Together they struggle to create "a world where you can say what you like about what you like as much as you like".(Source: Crunchyroll)