Synopsis

Sequel to Sonic X. After Sonic, Y/N, and the others came back to Mobius and defeated the Meterax, they went their separate ways. Sonic, Y/N, and Tails head back to Freedom Fighters HQ to reunite with their friends, especially Sally who's Sonic's girlfriend. They were having a good time when something bad is happening. Very bad. They have to defend their world and future and stop those that attempt to rule over the world. They even travel through dimensions that have different timeline with different version of themselves that look exactly like them. What adventure will bring them? What future holds for them? There are other more villains that are much more dangerous than Eggman and Meterax. There are also other people out there that are interested in Y/N.