Levi and Eren have been together for a year now but Levi has been cheating on Eren for 4 months now, Eren Finds out but hopes to still be with Levi, Levi and Eren got into a fight, Levi left Eren for good, One night Eren had a Dream (nightmare) and soiled his soul off to a demon, Now Eren is a demon and he has a trast for blood, Levi felt bad for leaving Eren and wants him back what will happen