1000 Years (Sigurda Saga Pt.1)
This is just the classic story of a human who fell in love with a faerie and got whisked away into the world of magic. For whatever reason, Finnegan Sliochd decides not to kill a faerie who does him no harm, and after many nights of peace, he is swept into a world of Wild Hunts, Nephilim, and ethereal deities - all culminating in a plot to save the world. No big deal.
The oddest part, perhaps, is that the faerie he loves is the Phoenix, a creature of rebirth whose many faces all have varying feelings towards him and all Finnegan's former lives as well...and if they can't agree to unite back into one, the Phoenix might end up destroying itself.