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...?!
If we knew what happened right 
after you lost your memory...
Si sabemos lo que pasó
cuando perdió la memoria…
Si sabemos lo que pasó
cuando perdió la memoria…
Si on sait ce qui s’est passé
après sa perte de mémoire…
Se ci racconti cos'è successo
subito dopo aver perso la memoria...
Se soubermos o que aconteceu depois
 que você perdeu a sua memória...