Bazett's barrier was supposed to prevent surprise attacks from the dolls, however Illya finds a little girl, Erica, sneaking into their school. For some reason Erica calls Illya "Onee-chan", and the two of them quickly hit it off. Meanwhile, a man claiming to be Erica's father appears. He seems kind at first glance, and while he came to pick up Erica, he's also...?!
I have no way of knowing 
what happened before that.
No puedo saber qué pasó antes.
No puedo saber qué pasó antes.
Je ne sais rien
des événements plus anciens.
Non posso sapere quello
che è successo prima di allora.
Não tem como eu saber o 
que aconteceu antes disso.