[Killua is, in fact, so engrossed in his text conversation that he actually DOESN'T REALIZE there's someone behind him till she speaks up. This is Very Abnormal for him, and so he actually literally jumps up, pushes his phone into his pocket, and whirls around all in the same motion, looking like he's ready for a fight.
...oh. But... it's just this lady.
He looks uncomfortable for a moment, and then huffs loudly and looks away.]
no subject
...oh. But... it's just this lady.
He looks uncomfortable for a moment, and then huffs loudly and looks away.]
No way! It's just my little sister.
[Geez, lady.]