Humanity has a chance encounter with a world that had been all but forgotten among its scientific developments. Monsters invading from the world of the dead render modern weapons useless, leaving the fate of humanity uncertain. But with help from the Otherworld Trade Agreement, mankind gains a means of fighting back in the form of magical girls. With the rise of international crime, indiscriminate terrorism, civil war, and public unrest, the work of the magical girls is never done. (crunchyroll)