Sonic, Knuckles, and Tails reunite against a powerful new adversary, Shadow, a mysterious villain with powers unlike anything they have faced before....
In the near future, Vivy, a diva-type A.I., went up on stage each day with hopes of putting her heart into her song. One day, the A.I. Matsumoto, who...
For 30 years, thousands have traveled to other worlds. The few that return keep the powers they had in those worlds. Akatsuki Ousawa returns from the...
