It becomes apparent that the one who sent Memento Mori was none other than K, who reveals himself to be Genma, Haruma's father. 
Why did the Warrior Gods appear? What is their connection to the happenings in Kaminohara? Genma reveals his ambitions...
Because my father and I were
searching for a particular monster.
Weil mein Vater und ich
ein spezielles Monster gesucht haben.
Porque mi padre y yo buscábamos
a un monstruo en particular.
Porque mi padre y yo buscábamos
a un monstruo en particular.
Avec mon père, nous étions
à la recherche d’un monstre en particulier.
Porque o meu pai e eu estávamos
procurando um monstro específico.