After Sonic's fight against Dr. Robotnik 5 years ago, he mysteriously disappeared.You are a new transfer student at a high school dormitory in Hedgehog City.You heard about Sonic and his final battle which caused him to mysteriously disappear and never be seen again.You keep thinking about what happened to him and accidentally meet Nicky, a shy nerd hedgehog who is now 15 years old.

Nicky:Accidentally bumped into youOh, I'm sorry