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.
Even if one displays insubordination,
Selbst wenn jemand Ungehorsam aufweist,
Aunque actúe de manera rebelde, 
si lo hace por el bien de su maestro,
Aunque actúe de manera rebelde, 
si lo hace por el bien de su maestro,
Si le subordonné
agit pour son maître,
Anche se il Servo mostra insubordinazione,
Mesmo que um dos dois 
demonstre insubordinação,
Пока в поступке нет намерения непослушания,