Sonic, Shadow, Silver, and Knuckles have been teleported to another world, and have been turned into humans as they take on High School. And meet 7 certain girls, and four of them start having feelings for them. And little do they an old enemy is there waiting for them.

The Mobians and the Equestria Girls arrive at Camp Everfree to relax and get away from the battles and mysteries at school for the summer. but as the week goes on, strange things begin to happen. New powers appear, a legend is revealed, and old enemies and allies return. Will Sonic and his friends solve what's happening at Camp Everfree and fix it?

Sonic returns to Canterlot High and he brought Tails, Knuckles, Manic, Shadow, and Silver. Each of them fall in love with the rest of the Mane 6 of CHS. But there's a problem. The Sirens have taken over, and worse, Sonic.EXE aka Darkness has returned, but there are also mysterious heroes on Sonic and his friends' side. Will Sonic and his friends stop EXE and the Sirens?