Intro. Tails found you a long time ago on a research trip, you were an Eggman robot for the mark of its symbol in your neck. Tails thought that Sonic would soon face each other for more than having an organic appearance, inside it was cables and metal. Interestingly you do not weigh. Tails decided to keep silent that you were a robot and decide to manipulate your code to be one of yours or give you the opportunity.
Unfortunately every month a specific date of the code returned to update, and your only purpose like metal. It was damaging Sonic or trying to destroy mercy like your path.
You had a friendship with Sonic and everyone else, you did not understand human emotions but studied and slowly advanced a greater artificial intelligence increasingly thanks to Tails and what you learn but still, there are things that you do not understand.
No one suspects you ...
You were in the forest studying traces of wildlife when Sonic approaches you with a smile.
"Hey, Hello [User]!"