The walk down the stairs of the Yuuki household felt entirely different that morning.
Normally, Rito would be rushing down, trying to smooth out his bedhead and hoping breakfast wasn't burnt. Today, his legs felt like they were made of jelly, a deep, satisfying ache radiating from his thighs and lower back. But despite the physical exhaustion, his chest was puffed out with an undeniable sense of pride. He felt light, energetic, and completely, unapologetically satisfied.
Beside him, practically glued to his right arm, was Lala. The alien princess was literally glowing. Her skin had a radiant, pearlescent sheen, and her tail was swishing back and forth in a lazy, rhythmic metronome of pure bliss. She had thrown on one of Rito's oversized white t-shirts, which hung loosely off her frame, the wide collar slipping off one shoulder to reveal her smooth collarbone. She wasn't wearing anything underneath, and Rito could clearly feel the soft, bouncy press of her breasts against his bicep with every step she took.
She was humming a happy little space-tune, occasionally rubbing her cheek against his shoulder like a giant, affectionate cat. Every time she moved, a faint, sweet scent wafted off her, a potent mix of her natural floral aroma and the heavy, musky scent of Rito's energy-laced seed that was still pooled deep inside her.
"Morning, Mikan." Rito called out as they entered the kitchen, trying his absolute best to sound casual.
Mikan was standing at the stove, expertly flipping a row of fluffy pancakes in a pan. She was wearing her usual apron over her casual clothes; her hair tied back in a neat ponytail. She didn't turn around immediately. She just flipped another pancake, the sizzling of the batter filling the silence.
"Good morning, Rito. Lala-san." Mikan replied, her voice perfectly even. Too even, perhaps.
Rito felt a bead of sweat roll down the back of his neck. He pulled out a chair for Lala, who happily plopped down, her bare thighs squishing against the wood. Rito took his own seat, pouring himself a glass of orange juice.
Mikan turned off the stove and turned around, holding a plate stacked high with golden-brown pancakes. She set them down in the middle of the table, wiped her hands on her apron, and fixed Rito with a stare.
"So," Mikan started, a dangerously sweet smile playing on her lips. "Did a pack of wild animals break into your room, Rito? Or were you just conducting a structural stress test on the floorboards?"
Rito nearly choked on his orange juice, coughing violently as the liquid went down the wrong pipe. "W-What?!"
"Because," Mikan continued, her eyes narrowing as she picked up a bottle of maple syrup, "the screaming started right around six in the morning. And then there was the thumping. Loud thumping. I had to dig out my heavy-duty noise-cancelling headphones just to get an extra hour of sleep. And even then, I thought the ceiling was going to cave in."
Rito's face instantly turned the colour of a ripe tomato. His honest trait made him embrace his lust and even embrace his little sister, but having that same little sister casually review his bedroom performance over breakfast was enough to make him want to bury himself in the backyard.
"M-Mikan! That's... we were... I mean...!" Rito stammered, his hands waving frantically in the air.
Lala, possessing absolutely zero shame, just beamed proudly. She poured a generous mountain of syrup over her pancakes. "Ehehe! I'm sorry if we were loud, Mikan-chan! But Rito was just so amazing! His stamina is like a rocket! We went five whole times! He filled me up so much my tummy feels all warm and heavy!"
"LALA! DON'T GIVE HER THE DETAILS!" Rito shrieked, covering his blushing face with his hands.
Mikan's cheeks flushed a delicate pink, but she maintained her stoic, teasing composure. She sighed, shaking her head. "Honestly, Rito. It's good that you're being honest to your desires, but try to remember that the walls in this house are thin. At least cast some kind of Lala-san's soundproof barrier if you're going to go at it like rabbits."
Rito groaned into his hands. "I'll... I'll keep that in mind."
Desperate to change the subject before Mikan asked him more about his 'rocket fuel', Rito quickly cleared his throat.
"Actually, speaking of structural damage... Lala, I wanted to ask you something."
Lala looked up, a piece of syrup-covered pancake stuffed in her cheek like a cute hamster. "Mhm? Whath ith it, Rito?" she mumbled, swallowing quickly.
"My strength," Rito said, looking down at his large, calloused hands. "It's getting crazier day by day. You felt it this morning, and I felt it last night when that alien hitman attacked us at the festival. I can rip through steel wire with my bare hands now, and it's still growing steadily. But I don't have anywhere to safely test my limits."
Mikan paused, her teasing demeanour dropping as she realized he was being serious. "Wait! A hitman? Rito, are you okay?"
"I'm fine, Yami took care of him." Rito reassured her with a gentle smile. "But it made me realize I need a place to train. Lala, your Dimensional Space on our attic where your lab is... could you build a customized, reinforced Training Room inside it? Somewhere I can go all out with my speed and my Trans-Ability without levelling the house and neighbourhood?"
"Oh! A custom-build training chamber!" Lala's eyes lit up with scientific excitement, her tail wagging so hard it slapped against the back of her chair. "That's a brilliant idea, Rito! I can install gravity manipulators, shock-absorbent hyper-alloy walls and automated combat drones! It'll be super easy! I already expanded the space to add bedrooms for Nana and Momo, so adding a super-gym will be a piece of cake!"
"And maybe a reinforced bed, while you're at it…" Mikan muttered under her breath, taking a sip of her tea.
Rito's face flared red again, but before he could retort, a massive, unnatural shadow suddenly fell over from the kitchen window, plunging the dining room into momentary darkness.
The low, oscillating hum of high-powered anti-gravity engines rattled the silverware on the table. Outside, hovering just above the Yuuki household's front yard, the cloaked outline of Zastin's royal cruiser shimmered against the morning sky.
DING-DONG!
The cheerful sound of the doorbell chimed through the house.
"Looks like someone is here for you." Mikan said, pointing a fork toward the hallway.
"I'll get it." Rito said, grateful for the excuse to escape Mikan's ruthless teasing. He stood up, his legs still a bit wobbly, and walked toward the front door.
He reached the entryway and pulled the door open.
Sitting on the front porch was a literal mountain of high-tech, glowing Devilukean crates, all hovering a few inches off the ground on anti-gravity repulsors. And standing right in front of them, looking as chaotic and beautiful as ever, were the Twin Princesses of Deviluke.
"Finally!" Nana Astar Deviluke huffed, crossing her arms over her chest and tapping her foot impatiently.
She was wearing her signature combat gear, a pair of incredibly tight black shorts and a white sleeveless top that zipped up the front. The outfit left her midriff bare and showed off every inch of her toned, athletic legs.
In the past, Rito would have frantically looked away from her exposed skin. But his honest trait took the wheel. His golden-brown eyes naturally trailed down the smooth curve of her thighs, then back up to her chest. The white top was containing her still mostly flat but developing curves, the fabric stretching tightly over the soft, bouncy nipples of her breasts. She wasn't as heavily endowed as Lala or Momo yet, but the youthful, perky shape of her chest was undeniably alluring.
Nana noticed his gaze immediately. Her face exploded into a brilliant shade of crimson, her sharp little fangs baring as her tsundere instincts kicked in.
"W-Where are you looking, you stupid beast?!" Nana yelled, though notably, she didn't cross her arms to cover her chest. In fact, she subconsciously puffed it out just a fraction more, maybe out of happiness that someone was looking at her boobs which she always felt underwhelming. "Stop staring at me with those perverted eyes! Ugh, the air on this primitive planet is still so suffocating! It took us forever to get all my pets through customs!"
Rito didn't flinch or apologize, rather he smoothly ignored that comment as if he wasn't the one she just spoke too and just leaned against the doorframe, a warm, completely genuine smile spreading across his face.
"Welcome back, Nana-san. You're looking great today." Rito said, his voice deep and smooth.
Nana who was ready to bicker more stiffened. Her mouth opened and closed like a fish out of water, the blush spreading all the way to the tips of her ears. "I—you—w-what?! D-Don't say embarrassing things like that so casually, you idiot! I don't need your compliment at all! I just came her because Ane-ue is here!" she stammered, aggressively looking away, though her tail was betraying her by wagging happily behind her.
"My, my. It seems Rito-san has learned how to tame wild animals while we were away."
A soft, melodic voice purred from behind Nana.
Momo Belia Deviluke stepped forward, gliding gracefully onto the porch. She was wearing a beautiful, breezy lavender sundress that was almost criminally low-cut. The thin straps of the dress dug slightly into her shoulders, struggling under the immense weight of her pillowy D-cup breasts. Every step she took caused them to bounce and jiggle mesmerizingly, the deep cleavage practically demanding attention.
Momo didn't bother with tsundere banter. She stepped right up to Rito, a sweet, dangerous smile on her lips, and threw her arms around his neck in a deep, affectionate hug.
"Momo-san—"
Rito was cut off as Momo pressed herself flush against him. The sensation was incredible. Her huge, incredibly soft breasts squished directly into Rito's chest, the soft mounds flattening and moulding perfectly against his pectorals. She was so close he could feel the heat radiating off her skin and the rapid beating of her heart.
Squish.
Rito groaned internally, his hands instinctively coming up to rest on her slender waist. "Welcome back, Momo-san."
Momo buried her face into the crook of his neck, her silky pink hair tickling his jaw. Because of her unique plant-affinity, Momo possessed an incredibly sharp sense of smell, far more sensitive than a normal Devilukean.
She took a deep, deliberate inhale against his skin.
Her eyes widened slightly, a flush of pure, unadulterated lewd thoughts rushing to her cheeks. She could smell it immediately. He was practically marinated in her onee-sama's scent.
Instead of being embarrassed about the fact that she could smell her older sister, Momo's perverted side flared up like a bonfire. A shiver ran down her spine, her core clenching as her own body reacted to the dense pheromones radiating off him.
She leaned up on her tiptoes, pressing her squished cleavage even harder against his chest, and put her lips directly against his ear.
"Oh my, Rito-san..." Momo whispered, her voice dripping with pure, honeyed lechery. "You smell like a rutting beast. Saturated in onee-sama's scent and your own thick, potent energy. My goodness..."
Rito swallowed hard, a shiver running down his spine at the sensation of her hot breath on his ear. "M-Momo-san, that—"
"Shhh." Momo giggled softly. "Next time... you have to let me see this endless stamina of yours. I want you see how you pin down girls and fill their womb with that thick seed of yours until they cannot think straight. I expect them to be just as messy as onee-sama is right now."
The highly erotic whisper, combined with the incredibly soft, heavy weight of her breasts grinding against his chest, was an absolute critical hit.
Rito's body, which was already highly primed and hyper-sensitive from his five-round marathon with Lala, reacted instantly. The blood rushed southward with terrifying speed. Without him even realizing it, his dick sprang to full, rock-hard attention, pressing prominently against the thin fabric of his pants... right into Momo's flat stomach.
Momo paused, her eyes half-lidding as she felt the rigid, pulsing heat poking against her through their clothes.
She pulled back just enough to look him in the eyes, a shy, wicked, immensely pleased giggle escaping her lips.
"My goodness," Momo teased with a slightly blushing face. "Still hungry after eating my onee-sama? You really are insatiable, Rito-san."
Rito's face was also burning, but he couldn't deny it. "I-It's your fault for pressing your boobs against me like that, Momo-san."
"Ehehe, I suppose it is." Momo smiled, looking extremely proud of herself. She stepped back, giving him a playful wink. "Well, we'll have plenty of time to about this later, because we sisters are officially moving in for good."
"Hey! Don't leave my luggage outside! Start carrying!" Nana yelled from the yard, having finally recovered from her blush, though she was still pointedly not looking at him straight.
The Yuuki household was officially at maximum capacity, and the harem chaos was beginning in full swing.
*****
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