Never Dance With The Devil ( A Midnight AU SIO) /Book 1/

Cody kills his friends, he suddenly snaps out of his evil side and realizes what he's done. Then, his surroundings shift and change, and he finds himself in a "desert" -- the "hourglass" of the Hourglass MV. Even his outfit changed.
(@-Autumn_R0ses- for the idea and helping me figure out the story)
What will happen next?