*killua smirks, lashing his tail beneath the water in anticipation.*

i'll stick to the surface this time so you don't drown yourself again.

*as gon fills his lungs, killua focuses his nen into his hands, shrinking its presence around the rest of his body so he can elongate them into paddles. to test them out, he lunges out of the water, slapping the surface with his hands to launch himself high into the air before splashing back down to begin the chase.*