"Hitoshi Ariga's Twitter"

“When I was working on the book there were times when production on the video game would pause, and then it would start up again. For instance, there was a long period of time between and . So the publisher said, "because the game is not coming out, we don't really need to make a new manga.”

“Hitoshi Ariga's Deviantart account”

“As a huge fan of the series, I would like to make my own, but I kind of enjoys more taking what's there and giving it my own spin. As games go, I knows how hard it is to make games, so I would rather leave that work to other people and play the games they produce. But if they were willing to use my ideas, I would be happy to provide them with many, may ideas of my own.”