[He's quiet at that, considering, before he sets down his cup quietly, trying to think of what to say and how much of it to say. He's an outsider here. He wasn't there for those ten years, and this relationship that clearly pains Tenka so much. But at the same time, he's an outsider, and he can see quite clearly what they're missing for being too close to the problem.

It's obvious that Shirasu is of two minds about the whole thing.

But ultimately...Sousei decides to not hold anything back, as always. It never helped anyone to hide things, right?]

Both are real. [He frowns slightly despite himself.] If it was all fake, you would know.

[He thinks Shirasu does still care--that's why Sousei can get under his skin so easily, that's why he won't harm Tenka. But--]

He is uncertain himself, and is not happy about that fact. That makes him even more dangerous. [That's what got under his skin the first time, when Sousei was talking to him.

...And he picks up his tea again.]

...Those are my impressions.