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.
Despite my appearances, I am a succubus.
Obwohl ich nicht so aussehe,
bin ich ein Sukkubus.
Aunque no lo parezca, soy una súcubo.
Aunque no lo parezca, soy una súcubo.
On ne dirait pas,
mais je suis un succube…
Nonostante il mio aspetto, sono una Succube.
Apesar da minha aparência,
 eu sou uma succubus.
Я ведь, несмотря на внешность, суккуб всё-таки...