Hiding in Sight (Sans and Papyrus GB Story)

Dr. Gaster made 1-S and 2-P to break the barrier and start a war. When he disappeared, they were scared, confused, alone. They broke out of their prison and Grillby raised them. Many years later, they are on the surface and he comes back. They don't want to go back though.

Necessary

Jesse felt like a distant memory, and McCree didn't really think about him. Gabriel drilled that into him. "You are not a member of Deadlock anymore," his mentor, his saviour, repeated time and time again, "you are a member of Blackwatch. It would do well for you to not forget that."