Warlords of Sigrdrifa Rusalka

The arrival of mysterious invaders known only as the Pillars threatens to wipe out all of civilization. Now humanity Ä s last hope rests in the hands of the Valkyries, young women bequeathed with supernatural aircrafts by the god Odin to send the Pillars cast back whence they came! A sky-high fantasy from the author of Re:Zero!