Author note

Not written by me.
The original author is coral_dragon and not_any_fangirl on Archive of Our Own.

END is a demon emperor from another dimension. Lucy gets kidnapped and taken to other universe, Natsu follows. They all end up fucking. It's a lot more complex than this, but that's a whole novel in and of itself. It was mostly justification for a weird threesome that got away from us a bit...