[It wasn't a possibility he really wanted to dwell on. And Levi's words introduce a new possibility, one that unsettles him further: if they were working with Annie, are they from among his classmates too? His mind buzzes sharply, as he tries to imagine who that could be. She had always kept to herself, always regarded the rest of them like they were inherently beneath her. He wants to ask. He needs to know.

Then, before he can process all that, another surprise.]

I'm...a member of your squad. [He can't help but feel a little proud of that, but it's with the sensation of an out-of-body experience. And not just him... A dry heh.] Eren must have pissed himself with excitement when he found out.

[But more importantly.] Didn't think it was a vacation, as much as they try to make you feel that way.