Corruption Can Be Cured- Demon Dean x Reader

1.) Preface (Prolouqe)

"Dean?" You roll over in your sleep.

"Dean?" You ring out as you toss and turn. Dean had gone missing a few days ago. Sam said that he fought Mettatron the Scribe of God alone and got stabbed.
You couldn't help but to move in with Sam and Castiel and wait for a miracle. You were startled by your alarm and your eyes snapped open to find an empty space in the bed with unpacked boxes near the closet door. You had to admit it wasn't like home but, you'd get used to it. You got up and opened a box to look for new clothes for the day.
You pulled out (any clothes you own or love) and did your (hair color + length) hair. You laid eyes on a framed picture on your bedside counter with Sam, Dean, Castiel, and you. Dean's arms were wrapped around your waist and he was smiling a good old puppy dog smile (which in his case, he tries but, he fails.), everyone looked so happy.

"Everyone looked so happy." You thought to yourself as you whirled around to get something to eat and drink. Today, you were going to work on 'Baby', Dean's 1967 Chevy Impala, unpack, and go to sleep. You weren't ready for whatever happened that afternoon.