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...?!
Erica-chan, you tricked us?
Du hast uns hinters
Licht geführt, Erica-chan?!
¡Erica-chan, ¿nos engañaste?!
¡Erica-chan, ¿nos engañaste?!
Tu nous as bernées, Erika ?
Erika, ci hai ingannate?!
Erica-chan, você nos enganou?