[He can indeed tell that, sensing the familiarity in the sword, and it makes his eyes widen-- so this really is...]
You're back. [There's a slight smile on his face, glad as he is to see her, truly, and even more so when he knows Mana-chan will be even happier.] [But then he adds, almost like an afterthought even though it isn't, at all:] In one sense, at least.