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 don't understand it, but I feel 
like I must never forget that.
Ich weiß nicht warum, aber das ist die
eine Sache, die ich wohl nie vergessen werde.
No lo entiendo,
pero siento que no puedo olvidar eso.
No lo entiendo,
pero siento que no puedo olvidar eso.
Anche se non capisco perché,
sento che è una cosa che devo ricordare.
Eu não entendo isso, mas sinto 
que nunca devo esquecer disso.