The Knight of Hell's Bride
It's 2016, the year of the apocalypse.
The humanity is dying out, and the world is being ruled by demons and monsters.
In the middle of all this, the poor survivor, Castiel, is being kidnapped by a demon clan and is forced into a relation with the knight of hell, which is everything but pleasent.
4 chapters only.
Part one of The Knight of Hell's Bride.
Warning; underage and forced on sexual acts. Don't like then don't read.
You can read this on my ao3 account as well.