Aoki tells Yushi that he must be suffering without his parents, even though he isn't.  She has good intentions, but Yushi is frustrated by her inability to see who he really is, and insistance that he has to be what she thinks he is.
You didn't know anything.
أنتِ لا تعرفين شيئاً
Ihr seid doch noch
solche Grünschnäbel.
No sabes nada.
No sabes nada.
Tu non sai ancora nulla,
siamo noi professori a dovertelo insegnare!
pois você não sabia de nada.
Ты ничего не знала.