[His sister. Via habit, Connor’s eyes track downwards to the fine contour of Nier’s weapon, thinking the gesture a strange correlation between what’s being said and what is being shown. But perhaps, if he leans on assumption, it’s not as large of a leap as he thinks. Protecting someone and the imagery of a finely-edged blade could go hand-in-hand, though it makes Connor want to question the circumstances.

It’s obvious how he takes a moment to formulate a response, one that will both cast a wide net for information, as well as quietly persuade him. The way he figuratively side-steps around the latter part is just as plain.]

Not that I can understand your own circumstances based on so little information, but wouldn’t your sister want for you to be in good health? “Regular human” or otherwise.