Shingo is a rejection of a former mountain group. One day he found the cabin, where Hōgen and Genba were cooped up. Shingo saw how Hōgen and Genba were ravaged by hunger and ate all the other dogs. He also saw how the dogs owner later returned to the site, and how Hōgen attacked the man, killed him, and fled. In the anime, He was shocked when Kerry was about to tell Hougen about the Ōu army´s whereabout´s When Jerome stopped him and both Shingo and Kerry run away.