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...?!
Ever since I met you,
Selbst ohne mein Gedächtnis muss ich
nicht einsam sein, seit ich dich kenne.
Desde que te conocí,
Desde que te conocí,
Comme je t’ai rencontrée,
Da quando ti ho incontrata
Desde quando te encontrei,