Eruruu is a central character in the anime series Utawarerumono. She is a kind-hearted and caring young woman who helps nurse the protagonist, Hakuowlo, back to health after finding him injured. Eruruu has distinct animal-like ears and a tail, traits common to her village. She plays a supportive yet vital role, serving as Hakuowlo's closest companion, confidante, and later, love interest, contributing greatly to the emotional core and development of the story.