Aoandon is a mysterious and elegant yokai from the popular mobile game and anime series 'Onmyoji'. Known for her striking blue lantern, she is a demon who appears when the final candle of the Hyakumonogatari Kaidankai ritual is extinguished. Adorned in a traditional kimono, Aoandon has a calm and collected demeanor, often providing wisdom and guidance. Despite her calm appearance, she possesses powerful abilities, including summoning and manipulating spirits. In the series, she plays a pivotal role as both a guide and a formidable opponent to the protagonists, adding depth to the storyline with her enigmatic nature.