Satoru has left girls swooning after his first kendo practice.  Everyone is talking about him, and there's a clamor when they discover that he's living with Makoto.  But at home, his stiff demeanor makes it very awkward.
It's not a big deal.
Ist schon in Ordnung.
No es nada.
No es nada.
Ça va, 
je me suis entraîné ici.
Non importa.
Não é nada demais.