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Shouldn't this be on the main thread? I had thought this one would be for time-displaced scenes.
Also, behold the power of ranting!

Rosenberg. The name does ring a bell. Giovanni remembers reading it, specifically, but it's not one of his current students, no past student as far as he can recall, no famous person that he can think of...
Wait, yesterday. That'd be one of the Nobles he met then, the one that claimed to be a student at Pioneer High. The one with the fox familiar, if memory serves.
Still curious that he'd recognize the name if she's not on his classes, but there are any number of ways that could have happened. Giovanni starts composing a reply.
...then stops. This, too, may well be a trick, against him and/or miss Rosenberg. Should he reply?
Well, yes. If it is a trap, it is important to spring it and try to learn who or what is behind. Crucial, even.
And if true, it is equally important that they communicate. So he starts writing his answer.
...then stops. The mail doesn't give a reason for wanting to talk. General social call, or a specific secret bussiness? Or a dark plot under the pretense of either, of course. If it is a trap it would be irresponsible to spring it in a populated area, but the real miss Rosenberg would be too young to be meeting him in secret. Or at all, really, and damn the Light again for drafting children into its army. And of course, whatever reply he gives must also seem innocuous, in case her machine is compromised. Too many constraints to even begin choosing.
...no, that's not true. Not risking humans must come first, surely a fellow Noble would agree. A servant of the Darkness may or may not try to argue against it, but that would be evidence at least. They could coordinate their secrecy and damage control afterwards.
Then he has a better idea, and finally sends his reply.
"Sure. I was going back to the garden. See you there?".
Then he deletes both messages, closes everything and starts going, groaning a little when he realizes he'll need to walk and/or take the bus.