Manga about a hedgehog boy named Nicky Parlouzer who can turn into Sonic the Hedgehog. Along with Miles "Tails" Prower, Sonic fights Dr. Eggman.

Nicky has several friends in the "real world", including little John, his girlfriend Amy (a prototype/first incarnation of Amy Rose), and Charmy (a prototype/first incarnation of Charmy Bee). Nicky also encounters a lizard bully named Anton Beruuka with his little brother, Matt, and their pet, Mad. Nicky's family at home includes his mother, Brenda, his father, Paulie, and his little sister, Anita.