Miles the Fox: West Side Skirmish

During his travels, teenage genius Miles Prower tracks the energy of the legendary Chaos Emeralds to West Side Island. There, he meets Nicky, a young hedgehog with a love of freedom, pride in his speed, and a wish to see the world. However, the Battle Kukku Empire, old enemies of the fox, have also come seeking the mystic minerals for their own nefarious ends. (Cross-posted on AO3)