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...?!
My, what a cute butt you have!
Was für ein niedliches Hinterteil!
¡Qué lindo trasero!
¡Qué culo tan bonito!
Quelles jolies petites fesses !
Wow, che splendido sederino!
Olha só, que bunda mais 
bonita que temos aqui!