Wannosuke was Yuto's family's pet dog in Kamiwaza Wanda. Sadly however, he died prior the beginning of the original Kamiwaza Wanda season. He was replaced by Yuto's teammate Wanda.
In the series
Wannosuke was mentioned in episode 1 by Yui to Yuto whilst looking for a new pet dog.
- Wannosuke is one of the original Kamiwaza Wanda season characters who have died. The other ones being Souma's parents.