Have Faith, Have Hope by xiuminseokjin
An angel and a demon are punished for committing two of the most atrocious crimes immortals can inflict upon humans. One life saved and one taken; both inextricably connected.
"I gave up my immortality to save your life. So it better be worth it."
Credit to amoure-jongdae for the beautiful cover :) Special thanks to rosalinenotjuliet for helping me improve the summary :) #Wattys2015
Ongoing.
Link - https://www.wattpad.com/story/48273846-have-faith-have-hope-wattys2015