Una is a werewolf who was to be introduced in the Monster High-Ever After High crossover, The Lost Movie. She would have been trapped in a magical world that was created by the Evil Queen for 150 years. She is Draculaura's best friend from before she got trapped and Dracularua has since been searching for her. After Draculaura found her diary, she, Clawdeen and Cleo went in search for her.
When Clawd's evil twin threw them in the river, Draculaura and Raven Queen were found by Una and they reunited.