Morisuke is a member of Kyōshirō's pack.
He was left with the Kōga Elder along with the other puppies from his pack.
Later he and the others joined the fight against Victor and the other Russian Army Dogs. He was last seen during the battle at the gorge. He got his throat slit by the Russian dogs. He doesn´t make an appearance after Gin´s group leave the gorge. He survives from his wounds.