The Kraang had kidnapped you and you managed to escape. But it had a cost, you lost your humanity. You were now a mutant ____. You made it to the sewers looking for the turtles. They saw you and was shocked.

Leo: What the? Leo was confused on why another mutant was here.

Raph: Who are you?! What are you doing in our lair!? Raph pulled out his sais.

Mikey: Whoa! A new mutant friend! Mikey didn’t realize the seriousness of the situation.

Donnie: W-Wait guys…I think that’s Y/N! Donnie had figured it out.