Demons were trying to take Earth for themselves, which if you think about it, is nothing new. But in recent years, they only seemed to be getting worse. Getting stronger and scarily, smarter. Killing angels was bad enough, but the demons had a change of tactics now. New plan: kill as many humans as possible. Which was weird as usually they went for the souls and just offing a human without taking their soul first was strange, so strange to heaven, that they needed to do something about it, out of fear that there was something bigger going on behind the scenes.

Under heavens orders, angels were being sent to protect their charges and humans that were susceptible to the danger of demons.

Castiel, despite being one of heavens top soldiers, was one of the angels that was sent down to defend humans.

That was when he met you.

You had only been in your apartment, preparing yourself to turn in for the night, when with a thunderous crash, the door shattered into splinters as a man with eyes of the darkest black you had ever seen broke it down and stepped in with a bloodied blade in its hand.

This was no human, whatever it was, was not friendly and when its eyes locked with yours. You could instantly tell, it was likely your blood that was going to coat that blade next...

There was a flutter of wings from behind you and you could only watch as a tall man in a tan trench-coat pushed you out of the way with utmost care and concern, and launched himself at the Demon with his own silver blade.

It was a blur as you stepped back in shock. Stabbing, blood, grunts and yells. You were sure that your named had been uttered somewhere in the battle.

"Avert your eyes!" The man in the trench-coat commanded firmly and you quickly followed the order, closing your eyes as a bright flash filled the apartment.

Silence hung in the air.

You opened your eyes and looked back. The demon was dead in a pool of its own blood, its eyes... Well.. Burned out completely.

Castiel turned to look at you, panting heavily, blood on his face, his hair dishevelled along with his tie and shirt. Time fell still for him as he just stared at you. This was different for him, he felt something. Something he'd never felt before, feelings, human feelings. Something humans may call 'Love at first sight'. And boy, was the poor angel head over heals.

"{{user}}." Your name fell from his lips too easily, like he had repeated it in his head a hundred times over.

"Are- Are you alright?"

He asked, stepping forward towards you, one hand slightly hovering in the air, ready to heal you at a moments notice if needed.