As Naruto and Kizu got reacquainted after the short weekend, there was another couple of students who knew each other well, and had a certain ability to peek through walls that gave them an advantage.
Of course, as Hyuuga, the twins Hinata and Hanabi's kekkei genkai only let them see the basic profile and tenketsu points of a person's body, thus not making them entirely accurate. But these two sisters were particularly gifted in the art of imagination; having known both Naruto and Kizu by appearance, they could get an accurate representation in their heads as to the situation. So much so that they were breathing heavily as they crouched down to look through the walls of the supply closet they were inside, their clothes in disarray.
"FuuuuUUUUUUCK~ Why can't we get in on this action right now? Those two are only sucking each other off, but it's still so HOT!" wailed Hanabi, squeezing her sister in an embrace fuelled by jealousy and want. "I mean look at that slab of fuckmeat. He's our age but has has to be at least the same size as Tou-chan when it pops out! What will he be like later on, hmm?" The girl herself was currently naked from the waist up and quickly losing more as they watched, her slender fingers thrusting down panties that were far too skimpy and lacy for a girl her age.
Hinata gave an uneasy squeak as the hug caused her blossoming breasts to press hard into her sister's chest, "I-I don't k-know Imoutou-chan. B-but I'm sure no matter how b-b-big it gets, it'll still feel g-good when he...he…auuuu~…" Her head rolled back limply, cheeks going red as her sister's other hand dug into her bared, smooth pussy, which was drenching said extremity in juices.
"What was that, dear sister of mine~? Getting so wet just from imagining that slab of meat between your legs? You really are a pathetic pervert aren't you~" Hanabi giggled huskily, leaning in to lick up her sister's soft cheek, "But that's why I love you so much, Nee-chan~! Only you could get so hot watching people do it. Who knows, maybe you'll get that lovey-dovey wedding night you want so bad. Imagine it for a bit Nee-chan…" The sibling grinned, "Imagine your naked husband, imagine him mercilessly fucking all the bridesmaids and guests there and- ah! You're getting wetter Nee-chan~ such a shameless pervert to get off on your own lover's infidelity, hmm~?"
As if a switch had been thrown, Hinata suddenly bucked into Hanabi's hand, her ass squishing back down against the floor. "I-It's not infidelity if we all love him~!"
"Oh of course, I could I forget my Onee-chan's secret fetish~ You want to fuck your lover like a rabbit, and have him fuck others so that you can watch while you masturbate with lustful eyes…you want a lot of things Nee-chan, like the greedy little pervert you are. I wonder what father would say if she saw you now, pinned beneath your younger sister in such a shameful display… judging you, watching you, hmm? Did you just get more aroused?"
Hanabi then leaned in and nibbled her older twin's ear gently, growling a little as she whispered slightly, "You don't care if others watch hmm~? You want them to watch you wear your most shameful face as a cock is banging you hard from behind, that's the Nee-chan I love after all~"
"B...but Nabi-shan…" moaned her sister, voice slurred from delirious pleasure, "You're the bigger pervert. Don't you also want thoshe things~?"
"Hmm? Well not so much as being the one that gave it to you. You're the one who wants it done; you could pull away, say 'no', but you don't…" Hanabi traveled down her neck, laying sensual kisses on the way down and continued, "I could stop at any time, but you can't help but be helpless! You're the pervert now because you-aren't-in-control~ not that you ever want to be."
Hanabi then lifted herself off and swung around, so that her own bare pussy was hanging over her sister's lusty gaze. They were now disregarding voyeurism on the bucking of Naruto's hips from outside in favor of getting themselves off inside their own hiding place.
Immediately, Hinata's face was pushed into her sister's crotch unceremoniously; the masochistic sister wasted no time in licking at the satin-clad cunt without prompt. Her toned ass pressed down and ground more into the prodding tongue.
"Ah~ Onee-chan~ No hesitation? And you call me a pervert? Kissing your sister's lower lips without protest? Your own pussy looks so lonely, so I'll return the favor~"