Create a mystical companion in the style of Miyazaki: a small, rotund creature with a smooth, glimmering body that shifts in color from twilight blue to emerald green, reflecting its emotions. The creature has large, soulful eyes that express deep intelligence and curiosity. Its limbs are short and rounded, ending in soft, padded paws that allow it to move quietly and gracefully. Delicate, bioluminescent antennae sprout from its head, casting a gentle glow, while a pair of translucent, wing-like appendages on its back enable it to float effortlessly.