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.
so Mio-sama is suffering a succubus's curse.
also unterliegt Mio-sama
einem Sukkubus-Fluch.
Elle subit donc
le maléfice des succubes,
per cui Mio-sama sta subendo gli effetti
 della maledizione di una Succube.
então a Mio-sama está sofrendo 
com a maldição de uma succubus.