Fool Me Once

In a world of Doms and subs, Doms have a black band on their wrist while subs have a blue collar on their necks. When Kurt was 16 and received his blue collar, he was terrified of not being able to live the life he wanted. He came up with a plan to fake a new life for himself. He meets Sebastian and thinks he has him fooled until life makes it so he can't. Kurtbastian. A/U D/s