Eren and Zeke after their deaths were reincarnated into a world with demons instead of titans like titans they feasted on humanity, Zeke having a recollection of his past life unlike his younger brother sought them to become the strongest, when Eren is badly injured by a swordsman he does the only thing that would save his little brother's life and his, he became a demon. KNY x SNK

It seems that defending humanity is a task that Tanjiro Kamado will always carry with him, no matter how far he strays from home. One-shot, for now.

The survey corps encounters this creatures called 'Demons' and they are saved by these people who wears Black outfit with strange swords and combat styles. What will happen? Training the Squad Levi to be Demon slayers! "That's insane' Eren yells

Mitsuri y Iguro viven una bella historia de amor; Levi y Erina envueltos por una fuerza misteriosa y sombría, se casan de forma conturbada y viven una relación infeliz, producto de la relación de ambos tienen un hijo quien quiere dominar el mundo revelándose como el anticristo quien quiere corromper a la humanidad. Depende de cada persona elegir si vivir o morir.