She
didn't see him leave the stage and move over to her, lost in her thoughts as she was.
When he spoke, from a seat next to her, her pivot to look at him was not... dramatic.
Perhaps as an actor he would notice the small changes in her weight, the way her hands were positioned - how her left hand caught her sleeve, lifting it clear of the hilts of her daisho - right hand closing the fan with an inaudible snap.
As her eye met his gaze, for just a moment, she reminded him of a hawk in the dive, already committed to the motion which would take the life of her prey. Perhaps it was the eye, which for the briefest of moment, reflected nothing save a calculation of how quickly she could kill him.
Then she became still, like a hunting animal which had lost sight of its prey, and then with a slow exhalation of breath, she eased her posture back into proper seiza.
The motions were so small, they might not even be visible to the trained eye - yet that expression... was hard to miss.
"My apologies, Warlock-san. I did not see your nefarious approach."
Her tone was dry, but artificially so.
She was rattled, and being overly careful not to show it.