Whimsical character design 3D octane render, chibi extremely cute little girl doll joyfully splashes in puddle, enchanting surroundings, beneath a lush wisteria tree, wearing vibrant yellow rain boots, expressive big eyes, visually captivating, hypermaximalist style, octane render, soft volumetric lighting, intricate detailing, set in a serene garden with warm sun rays filtering through the branches.