*killua follows him into the bathroom, skin prickling into goosepimples all over from the cold when they pull apart. he shucks his boxers off immediately, eager to run himself under the hot water, and finds himself staring down at his own body, so different from how it looked when he last looked down at himself in gon's. his stomach flips at the still-vivid memory of gon's cock straining between his legs instead of his own, sure that he'll never forget it. he looks over to see gon examining himself in the mirror, and crosses his arms over his chest as he gruffly responds, cheeks blushing pink.*

well, we've only done it a couple times, but... yeah.