okay... *killua cautiously responds, tone lifting with suspicion even as he prompts his brother to continue with a slight nod. his gaze follows his raised hand, but his body's awareness is unconsciously clustered beneath the one on his lap, making it obvious to tell when, with a prickling of his skin, the other shreds of paper slip beneath the hem of his shorts and stick to his inner thigh. surprise zips up his spine and the muscle beneath kalluto's palm twitches as killua clears his throat.*

neat trick. origami comm, huh?

*by now he's already concluded that his brother planted one of these on him last time they met, probably while he was too high on catnip to notice. but since he'd never used it to speak to him, there must be another purpose to it. with dawning dread, killua mutters:*

wait... do these work both ways?