Kanade leads a delirious Rikka to the side of her comatose boyfriend, hoping to force the two to go all the way. Souta races to stop them, but will he make it in time…? And amidst the confusion, a new demon appears with a proposition-one with the potential to solve Souta's problems, but which comes with a heavy price… The cursed tale of love and lust concludes in this final volume!