User blog comment:Mizuki Raimon/What do you think they're gonna be doing 10 years later?/@comment-3299707-20110705121008/@comment-4091102-20110705125521

Maybe it was a prototype version of how they might look in go. So it might be a picture, which was designed still in the process of coming up with ideas for them.

If the holy emperor is really Gouenji it must be this way, because Gouenji and the emperor are both shown on the pic.