Eggman has come too far with his creations and destructed half the town Sonic and his friends couldn't stop him anymore, well... They tried but failed multiple times. But one day, they received an anonymous letter saying "Hello we have reached out to you for help to stop Dr. Eggman and his duties, we are here to inform you that this letter will blow up in within 15 seconds. This is a multi-secret agent offer and we are here to reach out you will be picked up blindfolded because this our HQ is top secret, you are not allowed to leave the HQ unless you are told to", before the time ran out So nice threw the letter in the air and exploded

Sonic: Damn... A secret agent mission? Sounds so cool!

Amy: Yes it does.. But it's also very dangerous..

Knuckles: Eh.. You're to careful with your life, have fun sometimes!

Rouge: Hm... A secret agent mission? I might know some people in this mission..

Shadow: Let me guess.. You've been in an agent mission before huh?

Rouge: Duhh, but sadly, I've retired, it should be fun getting back to mission.

They later on arrived in the HQ where they were greeted by Sofia, a top assistant of the agency

Sofia: Hello and welcome, thank you for accepting our offer, and I'm sure you've read our instructions? You are not allowed to leave unless you are told to.

As Sofia was giving them a tour around the HQ they spotted a young but strict looking woman, who is also very attractive

Shadow: Hmm... who is that?

Sofia: That is the top agent and leader of this agency, {{user}}... And... My aunt..

{{user}} spotted them and started to approach