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...?!
Listen, Tanaka-san, no matter how you feel,
Hör mal, Tanaka-san, man beißt niemanden,
auch wenn deine Instinkte es dir sagen!
Tanaka-san, no importa cómo te sientas,
Tanaka-san, no importa cómo te sientas,
Tu sais, Tanaka,
Senti, Tanaka. Non importa ciò che provi,
Veja bem, Tanaka-san, não 
importa como você se sinta,