A catastrophe known as the Honkai has plagued humanity since the dawn of civilization — an unstoppable force born to erase all life.

Against it stand the valkyries, young women who wield the very power of the Honkai to defy their fate. Bound by friendship and sacrifice, they carry the weight of a fragile world.

This is the story of those who choose to fight — and what it truly means to protect the beauty of the world.