[Shuichi laughs very softly and briefly, finally lowering his mug as he does so.]

I think I see what you mean, Aziraphale-san. At least a little bit. And...I'm sorry, Oma-kun. But I had a feeling you'd react that way if you knew what I said...

{He'd kind of hoped neither of the other two would respond in a way that gave his comment away but...that was probably too much to hope for, really. And it needed to be said.]