Mayoi-dono Control Yourself!

by DespairMD (ao3)

Latex was a lot hotter than Shinobu initially thought.

The boy tugged at his collar, slightly desperate for cool air as he examined himself in the vanity mirror. Other outfits he had worn for RYUSEITAI had been made of similar materials, but never anything this form fitting. He could feel the sweat forming between his small form and the skintight bodysuit. He would absolutely need a shower after the live show ended.

Still he was rather excited at the prospect of an exclusive outfit. It was black with a prominent ninja style, perfectly tailored to his eccentricities. He gave a big toothy grin as he did silly poses in the mirror. It wasn't often the purple haired boy got to be center stage either. His heart thrummed with excitement at all the cool moves he could show off to his adoring fans. Pulling out a shuriken, he pulled his arm back as if to start a throw, speaking in a loud false announcer voice.

"Here to vanquish evil from the shadows, the yellow shadow, RYUSEI YELLOW, Shinobu Sengoku! Nin-nin~"

"AhhhhNNN~ Chief is so cute when he thinks he's aloneeeee~~"

Shinobu's heart skipped a beat, the boy letting out a small squeak and jumping at the sudden voice. The top of his knees slammed into the bottom of his vanity as he fell back into a squat on his chair, looking down with wide eyes. Beneath the dresser he was posing at sat a taller boy, twirling his braided hair and smiling, shark teeth on full display. He pressed his hand into his flushed, slightly sweaty cheeks as he blushed, his eyes dreamily closed. Shinobu screamed at him in a voice much less intimidating than he would have liked.

"Mayoi-dono! W-what are you doing in my dressing room?!?!"

The older boy chuckled and swayed back and forth as Shinobu's heart rate began to calm. He was used to the older boy's antics.

"Sorry, Shinobu-kyun, but there's a small vent that a worthless bug like me can squeeze through right here and I just had to come worship your new outfit with my own pathetic eyes~~"

Finally putting his legs back down onto the ground, Shinobu looked past the boy to see a grate laid carefully on the ground. Mayoi's ability to sneak around Ensemble Square was unmatched, a trait the boy really admired about his senpai.

"Fufufufu~~ Chief looks so cute in such tight latex. I can see every round curve of his little body~~"

Mayoi's gloved hand shot forward, rubbing along the glossy material. A wavering groan escaped his lips as he gently cupped the boy's thighs. Shonbu's cheeks reddened as shouted down once more.

"Mayoi-dono you're being a pervert!"

Unfortunately, the freak ignored him as his fingers traced closer and closer towards Shinobu's private bits. They caught on a slight break in the fabric which came up when prodded. Mayoi panted, his tongue sticking out ever so slightly as his finger slipped into the gap in material and he felt hot skin.

"H-hey, that's for going to the bathroom don't-"

Mayoi roughly yanked at the flap and the two attached snaps clicked undone, exposing the young boy's tiny cocklet and pert cheeks. Shinobu screeched trying to cover his parts. The moan that followed was elongated and breathy as Shinobu suddenly felt the heat of Mayoi's exhales on his bare skin..

"AAHHHNNNNNN~ No underwear? Chief is so dirty~ Does dancing on stage with your adorable cock rubbing against tight latex turn you on, Shinobu-kyun?"

Shinobu babbled out a denial as he tried to push the boy's head away. The outfit was made to be worn without undergarments, it wasn't his choice! With little effort, Mayoi pushed past his obsession's resistance and licked a long, wet strip along his inner thigh. His eyes rolled back at the salty, slightly sweet taste of a cute high school boy.

"D-delightfully sweaty~ Chief, your pathetic senpai is gonna check if you've been keeping your tiny shota cock clean~"

Before Shinobu could react to his words, Mayoi ripped off his glove with his teeth before grasping the boy's limp cocklet between his slender finders. Ever so gently, he retracted the boy's tight foreskin, his thumb dancing over the sensitive pink slit. The little ninja tensed at the feeling of Mayoi's clammy hands and his body reacted without his consent, dick hardening into a two and a half inch pubescent boner. With little hesitation, the older boy took the entire length into his mouth, sloppily drooling on the sensitive little organ.

Shinobu's head fell back as he saw white. Mayoi's strangely long tongue slid across all of his most intimate parts. With expert precision, the tip of his tongue licked and poked into his victim's tight foreskin, releasing a muffled keen at the strong flavor. Shinobu whined as a knot settled in his stomach. His hands went from pushing his senpai back to simply resting, tangled in his hair. He spoke with slurred words.

"..W-weird…Mayoi-dono…feelsss weird…"

Mayoi released the boy's dick with a loud wet pop. The slobber-covered cock twitched in the air, missing the warmth of Mayoi's mouth. The pervert licked his lips as he lifted the boy's legs up to reveal his pink hole to the open air.

"Your taste is too erotic. I can't resist. Please forgive me for sampling you perfectly cute little rim~~"

With that, he dug in. His tongue dragged along the boy's twitching hole as the sudden shock and new position had Shinobu throw his arms onto the vanity for support. He caught a look of himself in the mirror as Mayoi's tongue pushed past his sphincter and entered his velvety insides.

His face was painted a dark red and his golden eyes had tears forming on their brims. The shame mixed with pleasure and only further tightened the knot in his tummy. It was too much for his tiny heart. Regaining a bit of his fight, Shinobu cutely but ineffectively began hitting Mayoi's head, begging all the while.

"S-sto..Mayoi-dono! Stop, this is embarrassing! I h-have a live soon!"

His pleas fell on deaf ears and his words turned into gibberish as the tongue inside him twisted and pressed directly against his underdeveloped prostate. His cocklet leaked at the sudden rush of endorphins and, taking advantage of the moment, Mayoi slipped a finger into the boy alongside his tongue. The added pressure made Shinobu spasm around his senpai, as he felt so very full.

Like a pathetic mutt, Mayoi's tongue continued its assault on the boy's virgin g-spot as he added more and more fingers. Drool ran down Shinobu's ass as his shivering cock wept more and more precum. Mayoi's own dick was rock hard and he couldn't wait any longer. Pulling out of the boy, Mayoi licked his fingers and pushed the boy back as he stood.
The sudden emptiness gave the younger ninja a moment to catch his breath as Mayoi lifted his legs over his shoulders and fiddled with his belt. Shinobu didn't realize the implications until he felt a cockhead much larger than his press into his sensitive hole. Shinobu looked at Mayoi with wet eyes and saw the other boy was crying too.

"Chief…I can't wait any longer. Please forgive meeeeeeeeee~"

Mayoi thrust into the boy with a sob. He was big, no amount of prep could've prepared Shinobu for this. The boy howled quietly as he was fully hilted inside. Mayoi shook in place as he remained still for a moment.

"Shinobu-kyun…you're so warm…squeezing my disgusting, pervert cock with your angelic insides…please forgive your worthless senpai~"

Mayoi pulled out and slammed himself back into the boy mercilessly. His voice was a cacophony of loud "Ahhhhs~" and "ohhhhhhhhs~~" as he finally settled on a rhythm. Shinobu covered his face. His fists clenching as he bore through the intense stretch. However, the way Mayoi's cock slid past his special spot added a burst of pleasure to the sting each time it passed. Shinobu was so confused. His tummy felt weird. He felt like he had to pee really bad. Mayoi fared no better as he writhed within the boy.

"Oh god…I'm so sorry my darling Chief but I have to…I must mark you insides with my filth~"

A sudden new warmth filled the boy's belly as the first stream of hot piss shot into his insides. He hardly let a whimper out, too fucked out and close himself to care he was being used like a toilet. Mayoi, however, continued his litany of gross moans and howls as he continued to pump as he urinated.

Weirdly, Shinobu didn't hate the feeling and each new spurt within him had his own cock twitching. It felt oddly…good. Mayoi senpai must have been needing to pee before he even arrived, as Shinobu's belly felt dangerously full and small splashes of piss escaped his poor hole every time the older boy pulled out. The mixture of pleasure, fullness, and relaxing warmth was too much and Shinobu released his own bladder onto himself, lazily peeing onto his brand new outfit as he continued to be filled. His senpai almost fainted at the sight. His hand darted forward, coating itself in some of the boy's fresh piss before bringing it to his lips.

"AHHHHHHnnn~ My revolting, useless, disgusting piss is mixing with Shinobu-kyun's pretty, delicious shota lemonade~~"

Shinobu's blissed out expression, his plush inviting ass, and his mouthwatering little cocklet shooting streams of pee all together was too much. Mayoi babbled and with one final thrust came into his darling kohei, his cum mixing with the ounces of piss he so loving put into the boy. All the sensations he felt and the sight of Mayoi huffing and puffing above him made the knot in Shinbu's stomach snap and he too sprayed his release onto his soiled tummy.

The two sat there for a moment, both out of breath. Shinobu's eyes were damp with tears but he felt weirdly at peace. Mayoi stammered an endless line of apologies into the boys ear. Shinobu felt like he was gonna fall asleep.

The two jolted as a knock came at the door. In a flash Mayoi pulled out of Shinobu completely and vanished, leaving the boy to slump helplessly to the ground and into a puddle of Mayoi's and his own piss. He watched wordlessly with his glossy eyes as Mayoi scuttled into the vent and reattached the grate behind him. The door opened as he tightened the last screw and melted into the darkness.

"RYUSEI YELLOW! It's time for you to take the lead in our showing of justi-"

Chiaki froze as his brain registered the view before him. His mouth dropped open slightly as he stared at the boy. Another figure appeared behind him and a flash of blue came into sight.

"Is Shinobu 'ready' for his new outfit debut….oh…"

Kanata paused as he took in the strange sight as well. Shinobu blushed hard as he weakly tried to shield his most intimate bits from his unit mate's view.

"Shinobu did you…."

Chiaki couldn't finish the sentence, so Kanata did for him.

"Did you have an 'accident'?"