Chapter 104 Scrubbing Each Other’s Backs with Rias
Edited by: Kanaa-senpai
[Body-Mimicry Divine Insight¹] was the one Talent that truly set Aki’s pulse racing.
The name was esoteric, and its description was wrapped in flowery jargon, but in layman’s terms, it boiled down to four words: a martial arts prodigy.
He was a somatic savant; no matter how complex the move, he could replicate it flawlessly after a single glance.
However, the ability was strictly limited to physical techniques.
If a technique required a specific internal energy circulation, Aki’s imitation remained a hollow shell.
Even with that caveat, it was an incredibly potent Talent, effectively clearing two-thirds of the hurdles on the Martial Way².
With his constitution and spirit already optimized by his [Dual Cultivation] ability and his technique perfected by Body-Mimicry Divine Insight, the title of Martial God was practically within his grasp.
He could even see a faint glimmer of the Immortal Path³ waiting in the distance.
The Martial Way and Mana could be cultivated in tandem; Aki had confirmed this with Rias before committing to the path.
While Qi governed the body and Mana governed the spirit, the two didn’t just coexist—they were synergistic.
The problem was that few people possessed the talent for both, and even those who did rarely had the time to master both disciplines.
Even a Great Demon King faced the reality of a finite lifespan; focusing on a single path was usually the only way to reach the pinnacle.
”Yeah, choosing to branch into the Martial Way was definitely the right call…” Aki muttered.
As he focused, he could feel the milky-white Qi swirling within his Dantian⁴.
Once the Qi manifested, the Mana saturating his body instinctively yielded, retreating to the Baihui point⁵ at the crown of his head.
Aki didn’t feel a hint of discomfort.
In fact, since his Mana now occupied the same space as his spiritual sea of consciousness, it felt more responsive than ever—an extension of his very will.
The pale blue mist of Mana condensed into a solid orb.
Aki could sense its color slowly deepening.
One of the hallmarks of a Mid-Rank Mage was having one’s entire Mana reserve turn a deep, dark blue.
Now that his Mana was concentrated in a single point, he wondered if reaching that shade would trigger a formal breakthrough.
(I’ll have to consult my adorable President about that tomorrow.)
As the first light of dawn touched the horizon, Aki finally finished his night-long training in the forest, having familiarized himself with his new body and power.
Before the morning rush of corporate drones began, he unfurled his bat wings and took to the sky toward Kuoh Academy.
He streaked through the air like a bolt of black lightning, the wind whipping against his face as a sense of absolute freedom surged through him.
Flying in a straight line made for a quick trip; within ten minutes, the gates of Kuoh Academy loomed ahead.
He banked over the school and glided down toward the club building, reluctantly retracting his Stray Devil⁶ form as he landed.
”President, Akeno-senpai, Koneko… morning,” Aki called out as he pushed open the clubroom door.
The three girls were still in bed, dressed in light, airy sleepwear.
Aki took a moment to appreciate the view of their soft curves before finishing his greeting.
Having reached A-rank, he no longer required sleep; even after a night of breaking through his limits, he felt perfectly refreshed.
The girls, being even stronger than him, were the same—sleep for them was a habit, a luxury like fine dining, rather than a necessity.
Given their nature as Stray Devils, they were naturally nocturnal anyway.
Sensing Aki’s arrival, they showed no interest in going back to sleep.
Koneko was the first to stir.
Her fluffy white cat ears twitched, and her small nose wrinkled as she caught his scent.
She looked at him with pure disdain.
”Aki-kun… you stink.” Aki froze mid-pour as he reached for the teapot.
After a frantic night in the wilderness, his clothes were stained with the blood of mountain demons and the lingering scent of Raynare.
(She’s right… I probably do smell pretty rank.)
”President, can I borrow the shower?” Aki asked.
The moment Koneko mentioned it, Aki’s skin started to crawl.
He suddenly felt as if a thousand ants were marching over him.
Rias ran a hand through her cascading crimson hair, a playful smile dancing on her lips.
”Aki-kun, do you want me to scrub your back for you?”
”For real?” Aki’s eyes snapped to hers. “Then I’ll have to insist, President!”
Rias’s smile faltered.
She felt a twinge of annoyance at herself; she’d let his harmless, boyish exterior trick her again.
Ever since Aki had stolen her first kiss, he’d stopped playing hard to get.
Now, whenever she tried to tease him, he just leaned into it.
If she was bold enough to say it, he was bold enough to take her up on it.
Before Rias could pivot to an excuse, Aki caught her soft, warm hand in his.
”Come on, President. Let’s go.”
Rias opened her mouth to protest, but Aki cut her off.
”Scrubbing each other’s backs is a great way to build the bond between a Master and her Peerage. Don’t worry, I’ll return the favor and scrub yours just as thoroughly.” Aki’s pace quickened, dragging her along.
Rias felt a surge of embarrassed indignation and tried to yank her hand away, but it didn’t move.
She blinked, startled, and put a bit more strength into it.
Still nothing.
(That shouldn’t be possible. With his level of strength, he should have been sent flying. Any more power and I risk actually hurting him.)
Under Akeno-senpai’s meaningful smirk and Koneko’s strangely pouting, jealous gaze, a bewildered Rias was pulled into the bathroom.
The room was palatial, with more than enough room for two people to bathe without bumping into each other.
Aki shut the door and began stripping with practiced efficiency.
He looked at his uniform—riddled with holes where his wings had burst through—and tossed it into the hamper.
”President, when you guys transform, do your wings just pop through the fabric without tearing it?” Aki asked.
Now that they were standing on the verge of being fully exposed, Rias’s shyness evaporated, replaced by her usual poise.
She casually unclasped her bra, allowing her firm breasts to spill out before Aki’s eyes.
”Not at all. Our uniforms are specially enchanted. Unless we’re in the middle of a high-intensity battle, they won’t tear.” Rias leaned over slightly, lifting a slender, pale leg to hook her finger into the waistband of her black, translucent panties.
She slid them down with agonizing slowness.
Aki swallowed hard, his mind going completely blank.
No matter how many women he’d been with, a sight like this always got his heart—and his Little Aki—racing.
There was something different about seeing this specific red-haired beauty naked; she was a figure of absolute authority, and his literal Master.
Rias caught a glimpse of his physical reaction and a faint blush crept across her features.
”You little pervert. You certainly have a lot of energy for someone who just got back from the woods.”
She reached out, her cool fingers wrapping around his burning-hot length.
She gave it a few slow, deliberate strokes before tightening her grip with a sudden, forceful squeeze.
”Try anything funny, and I’ll break it off.”
Gasp! Aki let out a sharp, ragged breath of pleasure, his hips reflexively twitching as the crown of his length rubbed against her soft, delicate palm.
But as her grip grew tighter, the mood shifted.
When she gave him that “kill you” smile, Aki got the message loud and clear.
She wasn’t just talking to Little Aki—she was warning him.
”President… if you used your hand or, you know, somewhere else to help me out, I’d be much better behaved,” Aki said.
”Dream on,” Rias replied.
She rolled her eyes and let go, turning on the showerhead to let the warm water flow.
”If you don’t behave, I’ll beat you senseless. Why would I keep a servant who only thinks about bullying his Master?” Aki knew she wouldn’t actually hurt him, but she’d set the boundaries.
She was fine with being naked together, but he wasn’t allowed to cross the point of no return just yet.
He took a bold step forward, pressing his scorching length against the soft curve of Rias’s lower belly.
”President, it only counts as bullying if I force my way in.” Rias just rolled her eyes again.
”Are you going to wash or not? If you’re not, get behind me and start scrubbing.”
Aki smirked.
Everything else could wait; the bath was the priority.
Having reached a silent accord, they quickly finished rinsing off and moved to the main event.
Aki was a veteran at this; he knew exactly how to make a simple back scrub feel like foreplay.
”President, I’ll start with you,” Aki said.
”Mm…” Rias whispered.
She hesitated for a heartbeat before sitting on the small bathing stool with her back to him.
Her flawless, ivory skin peeked through the curtain of her crimson hair, a sight that was nothing short of intoxicating.
She’d only ever scrubbed backs with Akeno-senpai and Koneko before.
(If this is just a simple scrub, it shouldn’t be a big deal…)
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Summary:
Aki returns from a night of intensive training where he masters the cultivation of both Qi and Mana. He drags a reluctant Rias into the bathroom for a shared bath after Koneko complains of his scent. The tension escalates as the two strip down and confront the physical reality of their master-servant dynamic while naked
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Trivia:
- The specific location of the training (deep mountains)
- The exact time duration of the flight (ten minutes)
- The previous event of Aki taking Rias’s first kis
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Character Insight:
Aki shows a massive increase in physical strength and confidence, successfully overpowering Rias’s attempts to pull away. Rias shifts from playful teasing to a more dominant, albeit flushed, stance when faced with Aki’s overt sexual arousal.
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Glossary:
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Notes:
• Aki – A strikingly handsome, A-rank Stray Devil with a sturdy, well-built frame, ink-black bat wings, a whip-like barbed tail, and crimson-flecked pupils—no horns, no glasses. His pale-blue mana refreshes nightly, mingling with milky-white Qi as he wields holy light and dual cultivation to purge racial weaknesses, absorb bloodline talents, and enhance partners’ power through intimate mastery. Calm, smirking, and dominant, he leads with quiet authority, dates Rias and Takamine sisters, mentors Little Aki, works for Akeno, monitors Aisu Academy, joins ORC, hunts Talents, and commands loyalty through physical and spiritual dominance—his once-submissive look now replaced by a turgid, commanding presence forged in battle and ecstasy.
• Rias – Rias Gremory, 17, is a tall, curvaceous pure-blood High-Class Devil with long crimson hair, crystal-like crimson eyes, fair snowy-white skin, and a smooth jade-like back—her demonic wings manifesting in Stray Devil form. As next head of the Gremory family and administrator of Kuoh Town, she presides over the Occult Research Club with regal authority, mentoring Aki as both a big sister and “Professor” of Underworld lore, guiding his training, evaluating strength, and explaining Breaching requirements. Frustrated by his stalled reincarnation, she orchestrates rituals while governing her peerage with deep loyalty, having lived with Akeno since childhood and commanding the Power of Destruction as the Crimson Ruin Princess.
• Koneko – White‑haired nekomata loli with fluffy white cat ears, petite frame and small nose, serves as Rias Gremory’s Rook and first‑year ORC member. Stoic and fiercely loyal, she mentors Aki in brutal combat, watches over him, and guards his promises. Quietly eats pink popsicles or tiramisu, territorial over food, and silently protects those she serves.
• Akeno – Himejima, a tall, curvaceous silver-haired Orc and Rias’s queen, is a perceptive, teasing subordinate with a refined yet provocative demeanor that masks a sadistic, flushed-after-battle nature; she wields lightning magic, sterilizes kisses with arcane rites, handles contracts and magic circles, and shares a close bond with Aki, as one of Rias’s three beautiful peerage members and a Stray Devil who smiles warmly despite her ruthless charm.
• Raynare – Obsidian‑winged fallen angel, alias Amano Yuuma, dons an erotic leather outfit and wields a spear of reddish light. As a high‑ranking ‘Lady’ of the Fallen Angels, she commands subordinates, watches Aki’s conquest of Kalawarner, and teeters on the brink of breaking her power limits.
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Edited by Kanaa-senpai.
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