Julia Rayberg appears solely within the cast listing for episode 1 of the Power Dolls OVA, credited to voice actor Jessica Calvello. No official media—including the OVAs, games, or related lore materials—provides concrete details about her background, character development, or narrative role. While characters like Yao Fei Lun receive focus within the OVA episodes and game series, Julia herself remains undocumented beyond her name in the episode 1 credits.