As daughter of the former demon lord, Mio's foster parents were slain by powerful demons after her life. Still seeking to slay her, Basara reveals himself as a member of the hero clan--an enemy of the demons--and vows to protect Mio as a member of his family.
I'll finish this as quickly as possible.
Ich werde das so schnell
wie möglich beenden.
Acabaré con esto cuanto antes.
Acabaré con esto cuanto antes.
J’en finirai
le plus vite possible.
Farò più in fretta che posso.
Eu vou acabar com isso
 o mais rápido possível.
Постараюсь побыстрее закончить.