"Space and Wolf"...sounds like a futuristic side project novel, if Holo was to survive beyond the 'modern' era, and into the future.
Lets face it; she's got the longevity, so its ACTUALLY a possibility. With improvements in concealment technology it'd probably also be a lot EASIER to be her
Now there's an image.
"In space....no one can hear yo..... OOOOOOH APPLES!" Picture that one