Oh? He doesn't have the connection you did. He won't find out. [Not until it no longer matters, anyway.] Unless you make it obvious.

[Rei is still smiling, but it's more of a challenging expression that anything. If Sasara is so bent on keeping Rosho out of the loop, then...]

Guess you'll have to stay chummy with me for a while longer, after all.

[He turns to exit, leaving Sasara to dwell on it alone.]