Viola is the younger sister of Viktor, the Duke of Death, and Walter. She possesses a playful personality, frequently teasing Viktor during her visits to his isolated estate. Her primary motivation for frequenting the estate stems from an attraction to Rob, the elderly butler serving Viktor, as she harbors a preference for older men. Despite her teasing nature, she exhibits less disdain towards Viktor compared to other family members following his curse-induced exile.

Her story includes romantic developments. Viola initially expresses feelings for Rob. Later, a pivotal encounter occurs with Daleth, the leader of the witches, who wears a skull-like mask due to past disfigurement. Daleth reveals her true face to Viola. Subsequently, Walter compliments Daleth's appearance, leading Daleth to develop feelings for him. Viola appears supportive of the relationship developing between Walter and Daleth.

A background detail reveals Viola once assisted a witch, who granted her a wish as gratitude, establishing a connection to the story's supernatural elements.

Following the breaking of Viktor's curse and his marriage to Alice, Viola attends their wedding ceremony. Her attendance signifies familial reconciliation and ongoing connections. She maintains her characteristic playful behavior towards her brothers while demonstrating care for her family members.