In the chaotic mix of humans and demons, Shu and Kanna meet in a violent clash worthy of their 12-year-gap as various motives intermingle in a battle engulfed by a sea of flames. Ayano, Sharon and Kisara try to somehow intervene in the siblings' fight that puts the fate of the world at stake. The only way to stop a powerful demon is with the power of a demon. Shu and Kisara join hands once again. Will the accumulation of their feelings reach Kanna, embroiled in her rage? At the end of the battle, what future lies ahead for humans and demons alike?
That doesn't mean we can go easy on her.
.لا يعني ذلك أنّ بإمكاننا التساهل معها
Wir können es uns trotzdem nicht leisten,
uns zurückzuhalten.
De todas formas, no podemos contenernos.
De todas formas, no podemos contenernos.
Certes, mais on ne doit pas
retenir nos coups.
Ciò non significa 
che possiamo andarci piano con lei.
Não é motivo para pegar leve com ela.
Но это не значит,
что нужно пощадить её.