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 you didn't have to go out of 
your way to transfer to our school.
du hättest dich nicht gleich
an meiner Schule anmelden müssen.
no hacía falta que te
 transfirieras a nuestra escuela.
no hacía falta que te
 transfirieras a nuestra escuela.
Tu n’avais pas besoin
d’être transféré dans mon école…
quindi non dovrai disturbarti troppo
 per trasferirti nella nostra scuola.
então você não precisava ter o trabalho
 de se transferir para a nossa escola.
но ни к чему было специально 
в мою школу переводиться.