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.
You're a member of the hero clan.
 Why'd you decide to save us?
Du gehörst dem Heldenclan an.
Warum hast du entschieden, uns zu retten?
¿Por qué razón nos salvaría un 
miembro del clan de los héroes?
¿Por qué razón nos salvaría 
un miembro del clan de los héroes?
Pourquoi un héros comme toi
a-t-il voulu nous sauver ?
Se sei un membro del clan degli eroi,
perché hai deciso di salvarci?
Você é um membro do clã dos 
heróis. Por que resolveu nos salvar?
Почему ты, из клана героев, решил нас спасти?