Finding the Master Emerald - Female Sonic x Male Reader (Sonic Movie 2)

Robotnik returns with a new companion, a female Echidna, who is on a quest to retrieve the Master Emerald, and who thinks Sonia is the key to finding it. The story takes a twist as Sonia eventually finds out she was sent to Earth specifically because it was the home of the Master Emerald, and she needs to find it before it gets to the wrong hands. With the help of (Y/n) and her new friend Tails, they set out on this quest as well. Who will find the Emerald first, and what happens after? Find out.