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...?!
Don't try it, Erica-chan!
So wie deine Beine schlottern,
 kannst du das vergessen, Erica-chan …
Espera, Erica-chan.
Espera, Erica-chan.
N’en fais pas trop, Erika.
Non puoi farcela, Erika!
Isso é impossível, Erica-chan!