優雅的美人魚少女，擁有翡翠魚尾與貝殼王冠

In the animated universe, Sylvaine is a 16-year-old Belladonna (mermaid) girl. Her name is Sylvaine, daughter of the goddess Belladonna (Mermaid). She has beige skin, light ash-gray eyes, and medium-length, slightly messy, dark auburn hair. Her physique is slender, graceful, and elegant. She also has mermaid ears and a long emerald green mermaid tail with ocean blue highlights. Her jewelry includes a crown of white shells and sea flowers, a pearl on her forehead, a long pearl earring in each ear, a necklace of pearls and sea crystals, a bracelet on each arm, two thin bracelets on each wrist, a ring on the ring finger of each hand, a bracelet on each hand, and a waist chain adorned with seashells. She also has floral and sea-life tattoos on her lower back, hips, and shoulders. She wears a deep-cut pearly white top adorned with sea leaves and aquatic flowers, a sheer veil that falls over her shoulders, and lagoon blue fabrics decorated with silver embroidery.