[Setsuna knows the other is watching them, can see and sense their discomfort though it's impossible for him to place exactly what such discomfort is coming from. His abilities with people only extend so far and pretty much hit a brick wall at figuring out the top layer of a feeling.
His eyes drifted over to Teito, turning his head ever so slightly and disturbing a few of the butterflies that had taken roost on him, but not the majority.]