Create a polished vertical 9:16 children's nursery-rhyme YouTube Shorts clip fea

Create a polished vertical 9:16 children's nursery-rhyme YouTube Shorts clip featuring the exact same cute golden-yellow 3D cartoon lion cub Sheru from the supplied first frame: large expressive brown eyes, reddish-brown mane, red hoodie, blue shorts and red shoes. Preserve his face, outfit and proportions. Sheru dances happily in a magical moonlit jungle with glowing fireflies, twinkling stars...