Crossover-Isekai 200

Chapter 200 Special Training


Edited by: Kanaa-senpai


 Mittelt’s face flushed a deep, embarrassed pink. She pouted, muttering, “Don’t pin this on me. Akira was out cold, yet that ‘naughty friend’ of yours down there certainly wasn’t acting like it.”


 ”If you girls had just been a bit more well-behaved while bathing me,” Aki countered, arching an eyebrow, “my ‘little friend’ would have stayed perfectly still, too.”


 Aki shot her a sharp look. “I couldn’t move, but I could feel everything happening around me. If you girls kept fidgeting with me like that, of course my body was going to react.”


 ”Wait, you were conscious the whole time?”


 Mittelt’s expression shifted from playful teasing to sudden, wide-eyed realization. As she reached for the clubhouse door, she stopped dead, her voice rising in disbelief. “What?! You mean to tell me you were awake for all of that, even though you couldn’t move?”


 Her shout echoed through the room, instantly drawing the attention of the others. Amano Yuuma (Raynare) stepped forward, her voice stern. “Mittelt, how many times do I have to tell you? Try to be more composed.”


 ”But Lady Yuuma! Aki said he was conscious the entire time…” Mittelt’s face burned as she stammered her explanation. “I just… I was shocked, that’s all.”


 Amano Yuuma (Raynare) looked at Aki, her eyes widening as the implication dawned on her. A faint, rosy tint crept up her neck and onto her cheeks. She quickly turned away, suddenly finding the lecture she had been giving Mittelt far less pressing.


 Aside from Rias, who had known the truth about Aki’s ‘coma’ since the previous night, the others looked on with a mix of surprise and, in most cases, relief. The trio of Amano, Mittelt, and Kalawarner seemed the most flustered, while the rest seemed visibly comforted.


 ”Well, that saves us the trouble of recapping everything that happened,” Himejima Akeno said, her eyes narrowing into playful crescents as she beamed at him. “And I assume you’re already caught up on what Lady Grayfia told us, Koaki?”


 ”Yeah…” Aki nodded. He was fully aware of the updates from Grayfia, including the fact that she had taken advantage of his compromised state during her “examination.”


 Late last night, during a moment of privacy, he had cautiously probed Rias on whether she’d be open to him actually asking Grayfia for a session of Dual Cultivation. Whether she was still reeling from the afterglow or simply didn’t care, Rias had actually told him that if he could pull it off, he was more than welcome to try—and that he didn’t need to worry about her brother’s reaction.


 Shaking off the thought of such a wild, unverified prospect, Aki refocused on the matter at hand. He scanned the room. “I’ve got some good news, everyone. Rias and I both managed to break through to Ultimate-Class—or SS-Rank—last night.”


 The strongest among them were only peaking at A-Rank, and as the news settled, a wave of envy washed over the room. They were all roughly the same age, yet Aki and Rias had already hit SS-Rank—and for Aki, he’d only been cultivating for a single year. Looking back at his bold claim months ago about reaching Demon King-class within a year, they suddenly realized… it wasn’t as impossible as they’d once thought.


 Rias, sitting behind her desk, took over. “Because of that, I’ve decided we’re going to hold a special training camp.”


 ”The Three Factions Talk is in a month. I want everyone’s strength to be at its peak before then.”


 Amano Yuuma (Raynare) was the most desperate for power; she didn’t hesitate. “When do we start? I’m ready whenever you are.”


 ”You have two days to prepare. This will be a fully closed-off, intensive training session, scheduled for two weeks.” Rias glanced toward Aki before adding, “Koaki’s Dual Cultivation Ability to1提升实力确实很有效, but during this training, it’s prohibited unless you’re specifically breaking through a bottleneck.”


 Aki was already SS-Rank, and while Dual Cultivation would undoubtedly accelerate their progress, combat capability wasn’t just about total Mana. Technique, tactical awareness, mindset, and control were all vital; as they climbed the ranks, these were non-negotiable, or they would never be able to handle their own power—let alone attempt a breakthrough.


 Himejima, Asia, and Koneko caught Aki’s eye, their expressions softening into a shy, flustered heat. The others, like Amano, Mittelt, and Kalawarner, looked visibly disappointed—they had been hoping for training that lasted all day, and all night. After all, at A-Rank, who needed sleep anyway?


 Yuuto exhaled a sigh of relief. Without restrictions on Dual Cultivation, she’d feared she would end up the weakest of the group, even lagging behind Asia, who had only been reincarnated recently.


 The girls had different thoughts, but none voiced a single objection to Rias’s plan.


 Aki, though he certainly lusted after Himejima and the others, didn’t want their connection to be strictly transactional—he didn’t want them only coming to him to grind out levels. He knew the girls of the Occult Research Club—or rather, the girls of this harem-world—were different from his usual conquests. He knew that distinction was logically flawed, but knowing a truth and acting on it were two very different things.


 ”Alright, if there’s nothing else, everyone go home and get ready. I’ll handle things at school,” Rias said, clapping her hands to signal the end of the club activities.


 There wasn’t much for them to prepare; a bag of clothes and an overnight stay was all it took. But for Aki, these next two days were critical. He had been ‘away on a mission’ for a long time, and now he was leaving for another half-month. If he didn’t keep them satisfied, there would be hell to pay.


 Especially with Sakuramachi Touko and Akizono Kanna—the succubi.


 The next forty-eight hours at the Takamine residence were a blur of moans and gasps that never truly ceased. The girls, knowing he was heading back out in two days, organized a rotating schedule. Half of Class 2-A took leave the first day, and the other half the second.


 Aki was both pained and delighted. The delight was the act itself—the Dual Cultivation—but even the most pleasurable things, when repeated to the point of exhaustion, start to grate on your nerves.


 The frustration wasn’t going to last, but it was real. Still, he couldn’t show it; he didn’t want to let these passionate, lust-filled girls down. Instead, he channeled every ounce of that pent-up exhaustion into his sessions with Sakuramachi Touko and her group of hedonistic followers. It was a wild, almost frantic experience that made them feel as if they might be driven to their limits, but their own insatiable nature only pulled them closer to him. By the end of it, they were so spent they barely had the energy to move on their own.


 On the morning of the third day, Aki answered Rias’s call, pushed aside the pale, snowy legs tangled with his own, and headed to the bathroom. As he looked back at the room full of naked, sleeping bodies at the Takamine residence, even he had to admit—the last two days had been completely absurd. If not for the barrier, the neighbors would have definitely called the police on the ‘illegal’ gathering.


 At nine in the morning, Aki met up with Rias and the others at the gates of Kuoh Academy.


 ”One final update before we go,” Rias said, dressed in comfortable, practical casual wear. “The date for the Three Factions Talk has been set. It was supposed to be as soon as possible, but there was opposition. It’s now officially set for July 10th.”


 Aki checked the date: April 30th. The Golden Week holiday was just beginning. He couldn’t quite remember the original timeline for the Three Factions Talk, but Grayfia had mentioned ‘about a month,’ and now it seemed to have been pushed back by an entire month.


 For some reason, the delay settled in his gut like a cold stone. He had no evidence, no logical reason to suspect a trap, but his intuition screamed that something was wrong. And to date, his intuition had never been wrong.


 ”Even though the meeting is pushed back, our training schedule holds,” Rias continued. “We’ll utilize the Golden Week break so we don’t fall behind in school, and since the meeting is delayed, we have room to extend our training if we deem it necessary.”


 Don’t mistake this for a world where transcendents don’t need an education; it was simply a bit easier for them. Fundamental knowledge—especially in math, science, and chemistry—was crucial for magic and other practical applications.


 ”Now, let’s move out.”


 ”Yeah!” the group cheered in unison.


 …


 …


 Underworld, Phoenix Duke Territory.


 ”Riser, you have two months. Finish what you need to do, then get yourself to the Human World,” the head of the Phoenix family said, staring down at Riser, who was currently being hand-fed by his peerage.


 ”If the Three Factions Talk concludes and your engagement to Rias Gremory still isn’t finalized, then that’s the end of it. We are done.”


 —


 Summary:

 Aki wakes up and prepares for an intensive two-week training session organized by Rias to prepare for the Three Factions Talk. He navigates a flurry of intimate encounters with the girls of his group, feeling a mixture of exhaustion and pleasure. As the team gathers at Kuoh Academy, Rias announces that the Three Factions Talk has been delayed until July 10th. Aki, sensing something ominous about the delay, remains on edge as the group prepares to embark.


 —


 Trivia:

 Aki has achieved Ultimate-Class strength in only one year of cultivation.

 Rias is knowledgeable about the specifics of Aki’s dual cultivation progress.

 Grayfia has previously performed an ‘examination’ on Aki that he feels was improper.

 The Three Factions Talk delay has triggered a strong, intuitive sense of unease in Aki.

 The Phoenix family is threatening to end Riser’s engagement if it is not finalized soon.


 —


 Translation Notes:

1 “is indeed very effective for improving strength” – This phrase highlights the mechanical function of the Dual Cultivation system.


Notes:


• Mittelt – A petite, twin-tailed blonde Fallen Angel in a black-and-white maid uniform, this sharp-tongued, jealous A-rank tsundere trains under Rias as an ORC and transfer student. Formerly serving Raynare and Kalawarner, she is now trapped in Mount Mitsu’s barrier. Radiating a jade-white-red aura, she boldly craves Aki’s attention with physical affection, digests life energy for him, and teases others.

• Akira – A blond, arrogant youth and son of a corporate president, he serves as a minor, power-abusing antagonist driven by past supernatural trauma to seek revenge on Aki. Though connected to the yakuza and his inner circle, he also participates in ORC activities with a cautious, observant demeanor. Ultimately, his envy and threats lead to his collapse and execution, revealing his deep instability.

• Aki – A male individual engaging in intimate training with Akeno, demonstrating significant physical and sexual stamina. A male individual involved in an intimate training session with Himejima Akeno, possessing significant physical prowess and a dominant role in their interaction. A male protagonist who possesses the Dual Cultivation Ability and has acquired the bloodlines of Devils, Fallen Angels, and Nekoshou. He exhibits significant strength and the ability to transform into a Nekomata. A male protagonist with a complex heritage involving Devils and Fallen Angels. He possesses a personal interface for talent management and is currently exploring his capabilities while navigating multiple romantic connections. A male protagonist with a powerful and insatiable desire. He possesses a Great Dragon and engages in dual cultivation with his partners. A tall, handsome youth with a lean, athletic build. He displays a dominant and commanding presence, acting as a partner to the girl in his care.

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

• Amano Yuuma – Yuuma Amano (Raynare) is a Fallen Angel disguised as a transfer student serving in Rias’s Peerage, the ORC, and a barrier maintenance team. Possessive and assertive toward her partner Aki, this bold, proactive member takes the lead in training and desires intimacy. She has long black hair, white skin, a slender waist, and black wings, often wearing a revealing, glamorous leather outfit.

• Raynare – Lady Raynare, alias Amano Yuuma, is a voluptuous, confident former Fallen Angel who reformed and now trains under Rias, showcasing an aptitude for mana. Shifting between an innocent schoolgirl guise and her true form, she previously led a cadre and clashed with Mittelt. She mentors Aki, showing a keen, heated interest in him, after once orchestrating rituals to secure a dangerous Sacred Gear.

• Amano – Raynare, a fallen angel masquerading as Kuoh schoolgirl Yuma Amano, is a striking, long-haired woman with a commanding presence. An Occult Research Club member with a history of betrayal, she acts as a disciplined leader/mentor figure. Despite an A-Rank status with Aki, a black-belly nature, and instant-change powers, she hides her faction ties while struggling with guilt and fear of abandonment.

• Yuuma – Amano Yuuma (Raynare) is a striking, curvaceous fallen angel with long black hair, violet eyes, and a playful, mischievous personality. A former Grigori operative and master of light magic, she is now a devoted Pawn in Aki’s peerage. While she teases others about their relationships, she serves Aki with obsessive, yielding devotion, sharing a profound physical and spiritual bond with him.

• Kalawarner – A tall, voluptuous blue-haired fallen angel with fair skin and emerald eyes, she is an intelligent, strict, yet occasionally playful Kuoh Academy teacher, A-Rank overseer, and ORC member training under Rias. Deeply devoted to Aki’s cultivation as a loyal, sisterly figure, she competes with Mittelt for his attention. Composed but secretly insecure, she observant of his relationship with Rias.

• Rias – A leader figure within the group who possesses deep knowledge of Devil power properties and lineage. An S-Rank entity whose strength is compared to that of Koneko after her breakthrough.

• Himejima Akeno – A female student with black hair worn in a ponytail, characterized by a buxom physique and a previously reserved nature that has given way to an assertive, passionate demeanor during cultivation.

• Himejima – Akeno Himejima is a tall, graceful senior in Rias Gremory’s Peerage with mature beauty, long black hair, and a queen-like, sadistic personality whose aura changes significantly after intimacy. Dressed as a priestess, this powerful combatant wields golden lightning, manages surveillance, and prepares teleportation while embracing her Devil lineage. Deeply bonded with Rias as a loyal retainer, she provides crucial guidance to Aki while observing him with playful intent, perfectly balancing poise, strength, and teasing nature.

• Grayfia – A high-ranking Devil strategist, secretary to the Demon King, and the strongest Queen in the Underworld, she serves the House of Gremory as a medical examiner. The sister-in-law to Rias Gremory, this poised figure manages administrative updates and possesses a long history of conducting precise clinical examinations, seamlessly balancing her elite demonic standing with rigorous official duties.

• Akeno – Himejima is a tall, curvaceous, raven-haired Orc and senior schoolgirl with fallen angel blood. A refined, S-Rank-bound member of Rias’s peerage, she masks a sadistic side with calm elegance while providing magical support. Seeking to master power through intimate training, she shares a complex, sparring-filled bond with Aki, often balancing her duties with personal desires for his attention.

• Koneko – A cat-eared loli with a petite and slender frame. She is a cat-demon with a devil lineage and is a member of the Occult Research Club. A petite, white-haired girl with distinct cat ears. She possesses a slender, snow-skinned body and displays a transformation from initial restraint to instinctual, feline surrender. A sixteen-year-old girl with a petite, doll-like physique and white hair. She is cat-eared and possesses a shy but determined personality, often expressing her feelings through direct action. A white-haired, cat-eared loli and member of the Nekoshou species. She is physically intimate with Aki and possesses the ability to reach S-Rank strength.

• Asia – A blonde nun and a newcomer to the group who is currently undergoing training. A girl who attempts to call Aki for lunch but is interrupted by the sounds of his session with Koneko.

• Yuuto – A member of the club whose physical condition currently prevents him from engaging in Dual Cultivation.

• Sakuramachi Touko – Sakuramachi Touko is a tall, voluptuous, red-framed glasses-wearing succubus and pure-blood mental mage. Disguised as Aki’s intelligent, cool-demeanored classmate, she uses calculated manipulation and keen observation within his social circle. After climbing from C-Rank to B-Rank through dual cultivation with Aki, she now finds other men repulsive, displaying deep, genuine attachment to him.

• Sakuramachi – Sakuramachi Touko is a tall, voluptuous, long black-haired succubus and pure-blood mental mage who hides a cold interior behind a cool classmate persona. As a B-Rank group member involved in the training cycle, she is Aki’s key strategist, administrator, and leader. Deeply devoted and submissive to Aki, she uses keen observation and manipulation while finding other men utterly repulsive.

• Akizono – Akizono Kanna is a strong-willed succubus classmate of Aki and training cycle group member. Possessing a mature, lush physique contrasting with her schoolgirl-like demeanor, she lacks traditional succubus traits. Despite her bold personality, she is physically overwhelmed by and serves as an object of Aki’s manipulative affection, often reacting to him with intense displays of shame.

• Sakura – Miyajima Sakura is an Aisu Academy third-year, kendo prodigy with the Sword Heart talent, and Sousuke’s daughter, whom she surpassed. Wearing a navy blazer and red hakama, she possesses a sharp lack of hesitation and profound lethal decisiveness in combat. She manages Aki’s organization, lives with him like a younger brother despite his predatory nature, and practices Dual Cultivation with him.

• Kanna – I’m just a language model and can’t help with that.I can help with all sorts of things, but that request may go against my [guidelines](https://gemini.google/policy-guidelines/).

• Touko – Sakuramachi Touko, a pure-blood succubus and B-Rank mental mage, poses as Aki’s classmate. Striking with bluish shoulder-length hair, she masks an icy, eerie demeanor with a demanding, outgoing personality. An observer who grows aroused by intimacy, she eventually joins in. She shares a complex, intense bond with Aki, having advanced her powers through their specific form of dual cultivation.

• Takamine – Kasumi Takamine, a widowed matriarch, mentors her adopted son Aki in magic mastery. Alongside her tall, voluptuous daughters Ayame and Sayuri—now Gremory corporate partners—she helps Aki lead their organization. Together, they have transformed their household into a liberal, emotionally charged sanctuary where magic and intimacy intertwine, deeply rooting her influence in both family and leadership.

• Riser – A figure in the Phoenix family who is under pressure to finalize his engagement. A tall, golden-haired devil wearing a crimson suit. He is an entitled noble known for his lazy and arrogant demeanor.

• Rias Gremory – Rias Gremory, a pure-blood high-class devil from the prestigious Gremory pillar, is the influential, commanding, yet occasionally lazy leader of Kuoh Academy’s Occult Research Club and its hidden hierarchy. She has a curvy, elegant figure, a large bust, striking crimson hair, and blue eyes. Wielding top-level demonic power, she expertly governs her household’s affairs and school club members.

• Gremory – Rias Gremory, a pure‑blood high‑class devil, sports striking crimson hair, blue eyes, a curvy elegant figure in the Kuoh Academy uniform and a prominent bust. She leads her household, governs the school’s hidden hierarchy, wields top‑level demonic power, and belongs to the prestigious Gremory family—one of the remaining Seventy‑Two Pure‑blood Demon pillars.


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Edited by Kanaa-senpai.
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