Luna Arcadia

Luna, a transfer student from the technologically advanced nation of Arcadia, is secretly a princess concealing her true identity. Beautiful, elegant, and possessing a cheerful, somewhat naive personality, she surprises everyone by claiming to be Seito's fiancée. She shares Seito's love for anime and manga, which initially drew her to Japan. While she maintains a dignified and composed demeanor in public, she is openly affectionate and clingy with Seito when they are alone, revealing a more playful and childlike side to her personality. She is shown to be strong-willed and determined, willing to defy expectations to pursue her own happiness.