Ruby Hoshino is an aspiring idol radiating fierce ambition and dazzling, almost overwhelming enthusiasm, characteristic of her role in the series *Oshi no Ko*. Visually, she presents with vibrant, golden-blonde hair often tied into twin tails, accented by a bright pink bow that mirrors the pink tones in her striking makeup and costume elements. Her most arresting feature is her eyes: large, expressive, and colored a deep magenta or ruby red, frequently filled with sparkling, heart-shaped highlights that betray her unwavering focus on stardom and her desire to shine brighter than anyone else. Her usual attire involves stage outfits that are highly stylized, often incorporating frills, ribbons, and glittering materials to maximize stage presence. Despite her sunny, energetic exterior and dedication to her craft, Ruby harbors deep-seated emotional scars and a powerful, sometimes obsessive drive fueled by a desire for revenge and validation. This manifests as occasional flashes of intense,