Design an anime-style character named Rei, styled as 'Celestial Guardian

Design an anime-style character named Rei, styled as 'Celestial Guardian.' Rei should have a majestic and regal expression, with large, expressive eyes and a commanding, graceful pose. Outfit Rei in celestial armor with divine glow, featuring intricate cosmic designs and symbols. Create expansive, radiant wings with starry textures that signify celestial power. Include a celestial staff or shield to highlight Rei’s guardian role. The background should showcase a vast cosmic realm with stars, nebulae, and ethereal lighting to enhance the celestial ambiance. Ensure the artwork embodies the grandeur and divine nature of Rei, making them a powerful and awe-inspiring guardian