Kisame, as expected, ignores the first question because the answer is too obvious. He knows Rui about as well as he knows anyone, except perhaps Sephiroth, but even then, until lately, that relationship was more one of sparring partners, using each other as whetstones to sharpen themselves. So abstractly, he can tell she's on guard, but so is he, so it doesn't stir anything beyond simple acknowledgement.

"You really need to ask Kiri's Monster that question, Rui-san?" He'd hated it, but knows better than to say it. Still, lying always makes him bitter, so he chooses the tactic that deflects rather than outright lies. Better, but still not enough.

He falls into step beside her, with enough distance not to be caught off guard if an attack came from that quarter, but close enough to be moderately friendly. And maybe half out of spite, he's happy to turn the question back on her. "And what about your mission, Rui-san? Was it fun?