That's a constant state of hers.

[Not really joking on his side. But again, it also is for him.]

She didn't even know I was a hunter upon us arriving.

[The air around them is a bit, though noticeably cooler as he thinks (once again) about their first day.

He just watches Ren with his comment, and how he stalls. It's easy to read no matter how much he might believe otherwise.]

So you have siblings. Another thing I wasn't aware of.

[Assuming Ai isn't actually here. All of this is confusing and honestly a bit suspicious.]