She was once a huge spaceship and flew thousands of soldiers who served the invincible Radcha Empire that conquered the entire galaxy. However, the insidious betrayal deprived her of everything. Now, nineteen years later, she's just Brack, a lonely wanderer with a fragile human body and driven by an irresistible desire for revenge. Going to a distant snow-covered planet in search of a weapon for his revenge, Brack unexpectedly meets a man whom he knew a thousand years ago. She saves him from death and takes him with her, but perhaps this is a big mistake...