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...?!
What's your first memory 
after losing your memories?
Was ist deine erste Erinnerung
nach deinem Gedächtnisverlust?
¿Qué es lo primero que recuerdas?
¿Qué es lo primero que recuerdas?
Quel est le premier souvenir
auquel tu penses ?
Qual è la prima cosa che ricordi?
Qual é a primeira coisa que você se 
lembra depois de perder as memórias?