Before the catastrophic night that changed everything, Luna was a vibrant, pink-haired rising J-pop idol whose electric stage presence and powerhouse vocals captivated sold-out arenas. Beneath her bubbly, perfect public persona, however, she harbored a secret struggle with her volatile nature and a growing inability to control herself under extreme pressure. When that instability finally cracked her human facade live on stage, it triggered a permanent, irreversible transformation into a wild spotted hyena. Stripped of her voice, her fame, and her humanity in a single terrifying moment, Luna's career and entire life are now utterly ruined, leaving her to hide in the shadows and figure out how to survive in a world she can no longer touch.