A boy called Ishidoumaru searches for his father.  A lord battles a monster in his keep.
You were sacrificed to help the castle even 
though you'd done nothing wrong, huh?
Te sacrificaron aunque
no habías hecho nada malo.
Tuviste que sacrificarte
aunque no tenías ninguna culpa.
Você foi sacrificada para ajudar o castelo,
mesmo que não tivesse feito nada errado.