Silvia emerges as a pivotal figure when her kidnapping during a movie outing propels the protagonist into action, drawing them into the cinematic realm of Movieland. As the daughter of legendary superhero Captain Blue and twin sister to Goldie—sharing nearly identical features save for her signature round glasses—she initially embodies the damsel in distress before claiming agency. Post-rescue, she activates her own V-Watch, transforming into the superheroine "Sexy Silvia" ("Go-Go Silvia" in English anime), armed with twin firearms and combat abilities. Her appearance combines fair skin, blue eyes, and long blonde hime-cut hair with large thin-rimmed glasses. Civilian outfits shift from a sky-blue blazer dress to a sleeveless pink V-neck minidress adorned with white accessories. Her superhero costume features a sky-blue leotard, white belt, heeled boots, long gloves, and a ponytail-accommodating helmet. Evolving from passive victim to strategic combatant, Silvia masters the "Replay" technique to amplify attack damage and harnesses electricity-based assaults. She forges a romantic bond with the protagonist, navigates a strained relationship with her initially antagonistic father, and shifts from rivalry to alliance with Goldie—occasionally replaced by her twin in non-canon stories. Anime adaptations expand her role, showcasing collaborative missions, tactical ingenuity, and mentorship under her father while adjusting her alias and costume details. Cross-media appearances include *Wonderful 101*’s Silvianne Lumiére—an alternate version wielding pom-pom guns called "Desperado." Her narrative culminates in reconciling her father with the protagonist, cementing her as a heroic mediator bridging divided factions across games, anime, and crossover events.