Crossover-Isekai 342

Chapter 342 The Global Level-Up


Edited by: Kanaa-senpai


 Driven by pure, raw instinct, the young girl lifted her slender, snow-white leg and mounted Aki. She aligned her flower valley with his proudly rearing Great Dragon, then parted her petals with both hands. Slowly, she guided the tip of his manhood downward until she had completely swallowed his blazing hot, rigid Great Dragon inside her.


 By now, however, Aki’s wants had been completely fired up. Lust had entirely replaced his reason.


 He slammed his hands down to grip Nonaka Kurumi’s pale, delicate backside and thrust his massive Great Dragon upward with raw power.


 The Great Dragon drove straight to the very depths of her core, burying itself entirely within the girl’s tender, alluring canal.


 Aki felt himself tightly wrapped in a warm, narrow passage. The feeling was pure bliss.


 He began to pump upward with heavy, powerful strokes on instinct. The Great Dragon slammed harshly inside her while Nonaka Kurumi let out gasping, rhythmic whimpers to match his pace.


 As the two of them engaged in their fierce coupling, Naruse Mio watched from the side while biting her red lip. Her beautiful eyes were filled with a mix of envy and raw longing. She wished for nothing more than her own turn to come.


 Having finally caught her breath, the succubus loli took note of Mio’s red, desire-filled expression, and her own inner urges began to stir.


 ”What was that!?”1 Mio gasped as she felt her breasts suddenly cupped from behind.


 A sudden burst of sharp pleasure washed over her, followed right away by doubt. She looked down toward the source of the feeling and realized that Maria was already working her wicked charms on her full, proud chest.


 ”Ahaha~ Lady Mio’s breasts are as soft and sensitive as always~” Maria said.2


 Hearts practically danced in the succubus loli’s eyes as a series of naughty, high-pitched giggles escaped her cute mouth. Her pale, tender little hands played shamelessly with Mio’s firm, pink-tipped mounds.


 Under normal circumstances, Mio would have delivered a swift, iron-fisted lesson to teach her some basic decency.


 But in a feeling as totally wild and wicked as this, she simply could not bring out her strict older-sister role.


 Blushing furiously, the busty schoolgirl with twin-tails let out soft, shallow pants, giving in to the amazing feeling delivered by her younger half-sister.


 Truth be told, Maria truly lived up to her succubus heritage. She understood Mio’s sensitive spots perfectly, and she played with them with a skill far more practiced than even Aki’s. That left Mio completely unable to fight back.


 The playful tricks of the Demon King’s daughters did not escape Aki’s notice. He intensified the fury of his thrusts and drove Nonaka Kurumi to cry out in overwhelmed pleasure.


 After giving the purple-ponytail hero schoolgirl one final, deep release inside her, he immediately joined in on Mio and Maria’s playful fun.


 With the curvy, sexy older sister Mio on the bottom and the small, cute younger sister Maria on top, Aki stacked the two together. Their four pale, shiny petals pressed flush against each other, forming a great sister feast.


 His fiery, rigid dragon head slithered back and forth between the four petals, rubbing against their puffy buds with a friction that gave pleasure no less intense than actual Dual Cultivation.


 Yet this was an amazing torture for the two schoolgirls. The more their buds were rubbed, the more intense the empty, aching itch deep within their bodies became.


 Eventually, the two sisters began to actively swing their hips, catching every chance during Aki’s thrusts to grab the Great Dragon and swallow it into their bodies.


 One moment it was the dripping, plump flower valley on the bottom, and the next it was the tight, squeezing loli canal higher up. Aki was more than happy to enjoy the dual pleasure.


 The sleepless night of Dual Cultivation kept going. All four schoolgirls possessed exceptional talent, but Maria in particular showed an ability for enduring Dual Cultivation and taking in life essence that surpassed anyone Aki had ever seen.


 He could not help but wonder if this was a unique quirk of her body, or if every succubus of her bloodline was built this way.


 Aki’s mind briefly drifted to thoughts of Shela and Lucia, but he was quickly pulled back to reality by the dissatisfied whimpers and writhing hips of the girl beneath him.


 Time vanished quickly amidst their pleasures, and soon the first pale rays of dawn filtered sideways through the curtains, lighting up the room.


 Looking at the four schoolgirls collapsed in wild, totally wicked postures, Aki felt this was undeniably the most satisfying night he had experienced since breaking into the Demon King-class.


 Not only had he claimed the primal yin of four legendary prodigies in a single night, but he had also been able to play with them exactly as he pleased.


 Aside from the fact that Mio and the others naturally had bodies similar to a hentai heroine, Maria’s unique ability, along with the practice period they had built over the past few days, played a massive role.


 With Maria’s help, Aki had quickly found the specific weak points of each girl during their later sessions.


 Mio’s weak point, unsurprisingly, was her proud, curvy chest. Nonaka Yuki’s most sensitive spot, on the other hand, was her beautiful backside.


 Whenever Aki used a rear-entry position and delivered slightly sadistic slaps to her round, snowy cheeks, Yuki would become exceptionally aroused and reach climax with incredible speed.


 But the biggest surprise for Aki was Nonaka Kurumi. This small, delicate schoolgirl who looked so refined and innocent actually loved having her underarms touched the most.


 Aki had merely used his tongue to caress that tender, highly sensitive, smooth skin for a brief moment before she began shaking and was instantly pushed over the edge into climax.


 Because the feeling was far too intense, Kurumi would always instinctively try to shield herself.


 In the end, Maria and Yuki had to take one side each, forcibly pinning her arms upward so Aki could thoroughly attend to the girl’s clean, pale underarms.


 Yet throughout this night of absolute pleasure, Aki had not forgotten his main goal.


 Through repeated checking toward the end, he confirmed that his current strength had hit a wall. If he wanted to keep using his Dual Cultivation ability to raise his power, he would first need to go through his second biological change and break through to the God-tier.


 As for talent copying, his luck had taken a rare turn for the better, letting him successfully copy several skills from the girls.


 However, they were all minor spells on par with basic fire magic, skills he already had, which essentially just served to boost his overall level.


 While Aki’s gains were big, they were modest compared to what Naruse Mio and the other three had achieved.


 Nonaka Yuki and Nonaka Kurumi got the most raw upgrade, with their spiritual power jumping by two whole tiers.


 They soared directly from A-rank to SS-rank in one go. Now, even without relying on their Sacred Relics, the two sisters could be considered top-tier powerhouses within the Hero Clan.


 Granted, their actual fight power might fall slightly behind for now. Such a fast rise required proper training and practice before they could fully control the huge power flowing through their veins.


 Not everyone was like Aki, whose genius in actual combat far beat his ability for standard training.


 In fact, Aki had practically zero talent for traditional training. He relied entirely on his Dual Cultivation ability, which meant actual combat was where his true genius lay.


 Naruse Mio’s upgrade was even more shocking. Her base mana had completely caught up over the course of the night’s Dual Cultivation, and she had fundamentally learned the famously unstable power of hellfire.


 By drawing upon the leftover power left behind by Wilbert, she had essentially jumped directly into the ranks of the Demon King-class powerhouses.


 At the same time, the unique talent native to her own bloodline was beginning to show itself.


 However, compared to fire, the idea of gravity was exceptionally hard to understand.


 Aki did not have any quick shortcuts to offer, so he could only leave her to try and develop it slowly on her own.


 Although there were still groups within the Underworld watching Mio like hawks, Wilbert’s leftover power would promise her safety for the time being. That meant there was no immediate need to rush.


 The absolute biggest winner of this grand Dual Cultivation session, however, was the succubus loli.


 First and most importantly, she had finished her formal first step. She took the last required step of her race, which fully awakened her bloodline and gave her a massive rise in raw power.


 Secondly, the workings of the Dual Cultivation ability fit perfectly with a succubus’s natural traits for taking life essence. As a result, she got the most big boost of all, completely fixing her base at SSS-rank and leaving her a mere stone’s throw away from the Demon King-class.


 Finally, within the wild middle of the orgy, she had not only gotten her wish to get incredibly close with Mio, but the natural talents of the succubus race had also been totally stirred up.


 After all, aside from taking physical essence, a wicked atmosphere, or rather the intense mental changes born of pure carnal lust, served as the best food for a succubus.


 Thanks to this, Maria had successfully gained full control over her change ability, which before had carried heavy limits.


 To put it simply, she would no longer suddenly shrink back to her smaller form because her time limit ran out.


 This meant that going forward, Aki could freely choose between enjoying a long-legged succubus big sister or a cute, small succubus loli whenever the mood hit him.


 Naruse Mio and the other three girls slept straight through the morning, finally waking up around noon.


 It was not that their bodies were broken by tiredness. Rather, their overly excited minds badly needed rest after such intense pleasure.


 Upon waking, they sat in a daze for a brief moment, traded deeply embarrassed glances, and then scurried back to their respective rooms with red faces to wash up and make themselves presentable.


 Once the four girls had left the space, the maid trio, remembering their main duties, immediately set to work cleaning the room.


 With the aid of magic, the thick fluids splattered across the room and the heavy, musky, sweet scent hanging in the air were quickly removed.


 Yet as they finished cleaning, the three maids without thinking pressed their thighs tightly together.


 The scene reminded them of the time Aki had given them their own special treatment. So much time had passed, yet they still had not fully taken in the leftover essence within their bodies. That left them without a good reason to experience it again.


 In reality, if they truly wanted it, they could have simply asked. Aki was never one to refuse when he had spare time.


 However, they kept their own felt status incredibly low. Without a clear command from their female master Ravel, or a good reason, none of them dared to take the action.


 …


 Meanwhile, in the living room of the Toujou residence, Aki and Basara Toujou were casually chatting while mashing buttons on a video game console.


 ”Basara, that guy Zolgear was taken care of yesterday,” Aki said. “You can go back to focusing on your training in peace now.”


 After wrapping up the topic of Zolgear, Aki moved on to the matters regarding Zest and Rias, eventually arriving at the fact that Basara Toujou had now officially become his brother-in-law.


 Aki dropped the news with total calm, but Basara’s jaw dropped farther with every sentence, his eye twitching violently until, by the end of the explanation, his fingers completely froze over the controller.


 —


 Summary:

 Moving directly from the dynamic resolution of the conflict with Zolgear, Aki spends an intense night utilizing his Dual Cultivation ability to maximize the combat power of the hero schoolgirls and the succubus loli Maria. Each female character undergoes major evolutionary tier jumps, with the non-traditional cultivation benefits pushing the team parameters to SS and SSS ranks. As the morning transitions to domestic routines, Aki informally breaks the news of these dramatic structural alignments to Basara during a video game match, leaving the variable of Basara’s psychological processing completely unresolved.


 —


 Translation Notes:

1 An exclamation expressing sudden physiological shock and confusion, kept intact to preserve the specific rhythmic interruption of the scene.

2 A distinct onomatopoeic giggle characteristic of cutesy or lecherous light novel archetypes, translated through stylized punctuation to maintain tonal authenticity.


Notes:


• Aki – A tall, handsome Kuoh Academy strategist and King-status devil with a powerful, dragon-like physique and Great Dragon. This pragmatic, dominant cultivator shifts between boy and teen forms using Instant Illusion. Via Dual Cultivation, soul contracts, and Evil Pieces, he psychologically conditions his growing supernatural harem and peerage, aiming for God-tier while managing his large household.

• Kurumi – Nonaka Kurumi is Yuki’s younger sister, a petite, doll-like former Hero and Bishop-class member with a purple ponytail, weak constitution, and great magical aptitude. A shy, spirited tsundere, she shares a deep bond with Yuki and a close, envious relationship with Mio. She is driven by a powerful longing to please Aki, feeling frustrated and curious when she lacks his attention.

• Nonaka – Sharing a familial connection, the Nonaka sisters—Yuki, Ikumi, Yuzuki, and Kurumi—maintain a composed, unified identity as professional surveillance monitors. Acting as Aki’s companions and Mio’s close security, one petite, long-haired sister with a delicate build observes Aki and Mio’s intimacy with envy, later left physically exhausted after performing her own intimate tasks for Aki.

• Naruse Mio – A supporter and cheerleader for the Gremory peerage.

• Naruse – Mio Naruse is a fair-skinned, red-haired schoolgirl with twin tails and a voluptuous build. A Demon King heir protected by the Gremory household, she is a member of Aki’s peerage possessing a Bishop Mutation Piece. This “Sister Flower” evolves from a hesitant tsundere into Aki’s devoted, polyamorous partner, maintaining vital ties with Maria, Kurumi, and her adoptive parents.

• Mio – Mio Naruse is a fair-skinned, voluptuous Kuoh Academy student with twin-tailed red hair. As Maria’s sister and the Demon King’s daughter, she is a Bishop in Aki’s peerage wielding immense mana, gravity, and hellfire, though her powers are currently sealed. Targeted by Zolgear, this proud, envious tsundere shares a deep intimacy with Aki while another woman observes her pleasure.

• Maria – Lucia’s younger sister and Shela’s relative, this shapeshifting succubus is a headstrong, capable royal subordinate devoted to Aki, seeking his affection. Her sensitive bloodline thrives on physical/magical exchanges, letting her shift between a petite, cute form with amethyst eyes and a heart-tipped tail, and a tall, voluptuous one. Eager and clever, she uses formidable skills to save Naruse Mio.

• Y – The first initial/part of the name Y Ddraig Goch.

• Lucia – A tall, elegant, white-haired succubus maid with an icy, abstinence-driven demeanor, lacking typical traits of her kind but harboring a hidden side. The magic-using daughter of Shela and older half-sister of Maria, she was teleported with the Nonaka sisters. Imprisoned by Zolgear alongside her mother, she struggles with family concerns and her romantic feelings for Aki.

• Shela – A petite, cunning SSS-rank succubus royal and former Queen with white hair, ram horns, and violet eyes. Blending matronly grace with intuition, this cultivation teacher is held by Zolgear. As the protective mother of Naruse Mio, Lucia, and Maria (and potential partner of Aki), she guards Gremory secrets and device info while orchestrating insightful plans for her daughters’ survival.

• Yuki – Nonaka Yuki is a white-gold and blue-haired demon hero schoolgirl with indigo eyes and a combat build. A former Hero serving as a Knight-class member at Aki’s mansion, this Hero Clan monitor and kendo expert hides a volatile nature behind a cold facade. Kurumi’s “Sister Flowers” sibling, she assists Maria in training and shares a sensitive, dual-cultivation intimacy with Aki.

• Wilbert – The deceased former Demon King and mysterious Naruse orphanage benefactor who sealed Mio’s true powers. Lover of Shela, father of Maria, and linked to the previous Gremory head, his immense power—sought by Zolgear—is the source of Mio’s fire abilities. He shaped Mio’s upbringing by choosing kind, anonymous adoptive parents to raise her in the Human World.

• Ravel – A blonde, twin-tailed Phoenix princess and pure-blooded Devil, this sharp-tongued, lolita-clad heiress with flaming wings is the Queen of Aki’s peerage, nearing completion of the Breaching process. Devoted to Rias and Aki, she facilitates Dual Cultivation to support their recovery. Though anxious yet protective of new peerage members, she remains a fiercely loyal ally.

• Basara – Basara Toujou is a male Kuoh Academy student, pragmatic strategist, and Jin Toujou’s son. A quarter-demon swordsman wielding Brynhildr and Banishing Shift, he is inferior to rival Zolgear. Alienated by the Hero Clan, Aki’s brother-in-law trains to protect his cousins and the Gremory household, linking various heroines while striving to rescue Raphaelene and Sefia amidst family conflict.

• Toujou – Toujou is the family name of Basara and his father, Jin, and also refers to their family residence. Connecting them to the Hero Clan and an ongoing conflict, the name represents formidable strength and high combat potential. Basara is a powerful individual whose existence is known to Aki.

• Zolgear – This gaunt, ancient Devil Grand Duke is an Ultimate-Class magic researcher leading a hostile Underworld faction from an isolated dimension. A ruthless master of mental arts and artificial life who created Zest and captured Shela, he is obsessed with absorbing Mio and Wilbert’s power for immortality. Though physically weak, he remained a feared threat until terminated by Aki.

• Rias – A crimson-haired, peerless woman of high status, she is a prominent authority in the Gremory household, mentor, and peerage leader whose group Xenovia joined. A talented tactical advisor and intelligence asset interested in bio-manufacturing, she is mentioned in a brotherly context, protecting Mio and Maria while serving as a source of destructive magical power fused by Aki.

• Zest – A tall, curvaceous, dark-skinned beast-kin maid with white rabbit ears and purple markings. Created by Zolgear as an artificial lifeform, she now serves Aki as a loyal guide after being subdued by his telekinesis. Currently recovering, she remains bound by a death curse but secretly longs to break free from Zolgear’s oppressive control over her mind and emotions.


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Edited by Kanaa-senpai.
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