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.
That empty seat over there will be yours.
Der leere Platz dort drüben
wird deiner sein.
Ahí tienes un pupitre libre.
Ahí tienes un pupitre libre.
Ce bureau vacant est le tien.
C'è un posto vuoto lì, sarà il tuo.
Você pode se sentar 
naquela cadeira vazia ali.
Вон то пустое место — твоё.