Name: Youta Koshima
Species: Dog
The youngest of the cast, only in middle school. Lives without a mother. Goes to a private school, where he keeps to himself. Is tutored by Kei. At the end of Kei's journey, Youta wishes to go to the public high school Kei attends
Name: Rei Noriumi
Species: Wolfdog
One of Kei's childhood friends. Avoided by most due to his appearance. Kei is oblivious to this, and is friends with him regardless. Cares deeply for his mother and father. His name hides a secret.
