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.
And let's all try to call male students 
"-san," instead of "-kun."
كما يستحسن بك مناداة التلامذة
"الذكور بـ "سان" بدل "كن
Y dirígete a tus compañeros
con más propiedad,
Y dirígete a tus compañeros
con más propiedad,
Et enfin, veille à ton comportement
envers tes camarades garçons !
E poi ricordate di chiamare
i vostri compagni con l'onorifico -san, non -kun.
Além do mais, comecem a tratar
os alunos mais formalmente, tá?
И давай попробуем обращаться к ученикам 
вежливо: не «ты», а «вы».