She is the fiancée of Kayneth in the Fate Zero franchise.
Sola is created by Gen Urobuchi and designed by Takashi Takeuchi as one of the minor characters for the Fate Zero anime series. She originally appears in the visual Fate Zero, and makes her first anime debut in Fate Zero episode 6, Night of Schemes.
His Japanese voice actor is Toyoguchi Megumi. She has no information regarding any inspiration used to create her.