" You can never outrun your own shadow. " Everything's changed ever since it struck... Everyone's dead. And now they're lurking. The higher ups have abandoned the others below. People are to fend for themselves now, together or alone, or die. There's nothing left but a battle for survival in this world. Kaito, an emotionally distant 16 year-old, has been hiding in the shadows ever since he left everything behind. After that stunt he pulled. One day, a mysterious girl, with no memories, stumbles into his life, all alone. Feeling sympathetic, he takes her in so she could have the chance to start anew. The same chance that he got long ago. However, it's all about to end because little does he know, all that he'd escaped from has followed close behind her. She appears to be more than just a girl with amnesia. TO HIDE? OR TO SEEK? Shadow six tells the action-packed story of a boy who does whatever it takes to protect what he has left, while staying hidden. And a girl who slowly discovers who she really is and what she's capable of. Both by any means necessary.