I Heard That the Saint Abducted the Princess-To-Be

This is probably a sweet fairy tale... Lily of the Valley, the language of flowers is happiness. Our protagonist Little Lily of the Valley was supposed to have a fairy tale life of Cinderella and the prince, but she met Sarah... Who is Sara? Her Royal Highness the Saint of the Auroran Empire, a candidate for bishop, accidentally kidnapped little Lily of the Valley... From then on, Her Royal Highness the Saint and the former Princess-to-be lived a happy life.