Crossover-Isekai 134

Chapter 134 Prelude


Edited by: Kanaa-senpai


 Takamine mother proved to be a seasoned professional. She quickly gathered her wits, smoothing over her initial shock to regain the composed, effortless grace of a matriarch.


 Crossing her arms over her chest, she looked her two daughters up and down.


 ”So,” she began, “when exactly did you two start seeing Aki?”


 ”Mom, instead of worrying about the past, maybe you should brace yourself for what we’re about to tell you?”


 Takamine Ayame replied with a cheeky grin, clinging to Aki’s other arm like a playful spirit.


 Takamine mother froze, her eyes darting between them. “Are you… pregnant? Or is it Sayuri?”


 ”Pregnant?”


 The Takamine sisters shared a confused look, completely missing her point.


 ”I mean… am I about to become a grandm—”


 ”Ahem.”


 Aki’s cough cut her off.


 Given his history with her, letting that thought linger felt like stepping over a dangerous line.


 He was young and hadn’t given a moment’s thought to fatherhood; he certainly didn’t intend for the three women of the Takamine household to start bearing his children yet.


 No matter which of them it was, a pregnancy right now would be nothing short of a disaster.


 ”Kasumi-nee, you don’t need to worry about kids.”


 Aki said, his gaze drifting to her lower abdomen.


 It seemed her time in the bathroom hadn’t just been for a surface-level scrub; she’d cleaned herself out thoroughly.


 However, his essence had reached so deep that some of it likely remained.


 ”Huh?” Takamine mother blinked, her mind spiraling into even stranger territory.


 ”Aki… don’t tell me there’s something wrong with you? When did you find out?”


 Aki felt a migraine forming.


 He didn’t even know where to start.


 From a normal person’s perspective, her conclusion was perfectly logical.


 ”Ayame-nee, Big Sis Yuri… you deal with her. Explain everything.”


 Aki rubbed his temples with a sigh.


 ”And to keep things simple, from now on, Kasumi-nee and I are going to speak as equals.”


 ”Hey!” Ayame pouted.


 ”If he calls you that, then I’m calling you ‘Sister’ too! I’m not letting Aki be a whole generation older than me.”


 Takamine Sayuri didn’t say a word.


 Her eyes were glued to Aki’s naked form, her mind clearly having wandered into the gutter.


 Unlike the loud and open Ayame, Sayuri was the type to harbor deep, secret hungers—she was, in many ways, the more depraved of the two.


 Takamine mother just shrugged.


 She’d already been physically intimate with her daughters’ boyfriend; what did a title matter now?


 Besides, being called “Sister” by a couple of teenagers beat being called “Old Lady” any day.


 She knew plenty of beautiful wives who insisted on it—just like the mother of that famous pint-sized detective.


 Ayame beamed and planted a kiss on Aki. “Yay!”


 ”Ayame, stop playing and talk to her.”


 Aki pushed her toward her mother while he reached for Sayuri.


 The girl was already flushed, staring at him with unblinking, heavy-lidded eyes.


 ”I’m going to ‘feed’ Big Sis Yuri first. If I don’t, she’s not even going to hear a word we say.”


 Takamine mother watched her youngest daughter.


 Seeing the faint pink hearts shimmering in Sayuri’s eyes, she realized for the first time just how insatiable her “quiet” child really was.


 Aki began to knead Sayuri’s firm, supple breasts, leaning in to capture her cherry-blossom lips in a deep kiss.


 ”Mom… I mean, Kasumi-nee—changing a ten-year habit is going to be tough.”


 Ayame said, wrapping her arms around her mother’s slender waist.


 ”Don’t mind them. What I’m about to tell you is way more intense than Aki and Sayuri’s ‘Dual Cultivation¹.’”


 Under Aki’s influence, the girls had started using the term for their sessions.


 It sounded more dignified than the alternative, and it was technically true—it was a convenient way to mask their desperate craving for him.


 Takamine mother tried to focus, ignoring the sight of her youngest daughter being peeled open like a ripe fruit.


 She hadn’t seen her daughters’ naked bodies since they were children; she hadn’t realized they’d grown into such provocative women.


 The heavy breasts, the narrow waists, the flare of their hips… even as a mature woman, she had to admit their bodies were built for sin.


 It was no wonder Aki had claimed them.


 Aki’s hand slid through Sayuri’s lavender ponytail and down the smooth, arching curve of her spine.


 His hand trailed over her firm thighs and the swell of her hips, fingers exploring further and dipping into the hidden valley between her snowy cheeks.


 It wasn’t long before he found her “Flower Valley³,” already slick and wet.


 Aki began to prep her petals for the arrival of his “Great Dragon.”


 As the heat rose on one side of the room, Ayame was creating her own.


 Watching the small flame flicker to life in her daughter’s palm, Takamine mother thought she’d gone mad.


 Even with Ayame’s constant explaining, she couldn’t wrap her head around it.


 The worldview of an adult is a rigid thing, and thirty years of common sense isn’t easily toppled by a single conversation.


 She began patting Ayame down, searching for hidden gadgets or stage magic props.


 ”Mom, stop… that tickles! Hahaha!”


 Moments later, a disheveled Ayame lay panting on the bed.


 Takamine mother stared in awe at the tiny spark jumping in her own hand.


 She hadn’t found any props, and the conviction in their voices had finally pushed her to try Ayame’s method.


 She had sensed the motes of light in the air almost instantly.


 With a flick of her will, the Mana² took shape, dancing at her fingertips.


 The other three were stunned.


 The sisters remembered how hard they’d struggled just to sense Mana; it had taken them three days just to cast a simple spark.


 ”I guess Kasumi-nee is a natural-born prodigy.”


 Aki remarked, catching a glimpse of the flame while he worked.


 He’d already sensed her high affinity, so the surprise didn’t last long.


 Sayuri, currently being skewered by Aki’s “Little Dragon,” could only let out high-pitched, whimpering cries.


 Doing this in front of her mother made her shy, and she was far too busy experiencing bliss to join the conversation.


 On the bed, Ayame pouted, muttering about how unfair it was that her mother had surpassed her talent in seconds.


 But Takamine mother wasn’t listening.


 Her eyes were bright, captivated by the dancing flame.


 ”Ayame… so when Aki said I didn’t have to worry about getting pregnant… was that because of magic?”


 The beautiful widow asked, her gaze drifting back to where Aki was buried deep inside her purple-haired daughter.


 ”Well… not exactly, but close enough.”


 Ayame sighed, launching into a long explanation of the last six months.


 She told her everything: the Dual Cultivation, the Stray Devils, and the growing harem of girls Aki had collected.


 Takamine mother’s world shattered over and over again.


 Hearing that her daughters weren’t just Aki’s girlfriends, but his “exclusive plush toys,” left her speechless.


 When Ayame dropped the bombshell that her mother would be joining their ranks, the beautiful widow almost bolted.


 But she stayed.


 It wasn’t because of her sudden obsession with Aki, or the illicit thrill she felt at the thought of it.


 No, she told herself she was staying to save her wayward children from this path.


 ”Aki~ my turn!”


 Ayame finished her explanation and lunged at Aki’s back.


 The extra weight drove the “Great Dragon” even deeper into Sayuri’s “Flower Palace.”


 The sudden, intense contact sent Sayuri over the edge; her eyes rolled back, her tongue lolled out, and she collapsed into a state of total, blissed-out ecstasy.


 —


 Summary:


 Kasumi discovers the supernatural reality and harem dynamic of her daughters’ lives while manifesting her own latent magical talent. Aki manages the group’s physical and emotional needs while preparing Kasumi for her integration into their circle. Ayame explains the broader world of magic and devils as they move into a communal state of intimacy


 —


 Trivia:


 - Kasumi’s internal cleansing in the bathroom prior to the conversation

 - The reference to Yukiko Kudo as a parallel for beautiful mother


 —


 Character Insight:


 Kasumi shifts from a skeptical authority figure to a curious participant, rationalizing her stay as ‘saving’ her children while acknowledging her own attraction to the magic and the youthfulness it offers.


 —


 Glossary:


1 Dual Cultivation: A practice where two individuals engage in intimacy to circulate and enhance their Mana.

2 Mana: The fundamental energy required to cast spells and perform magic.

3 Flower Valley: A poetic metaphor for the female genitalia.

4 Great Dragon: A poetic metaphor for the male member.

5 Flower Palace: A poetic metaphor for the cervix or the deepest part of the female anatomy.
,


Notes:


• Takamine – The Takamine family name is shared by widowed matriarch Kasumi and her daughters Ayame and Sayuri, with Aki, their adopted son, now reshaping the household’s dynamics. Once governed by silent tradition, the home now thrives under a liberal, emotionally charged atmosphere as Kasumi’s long-suppressed desires surface, intertwining with Aki’s growing influence and the revelation of magic, transforming the residence into both a sanctuary and the headquarters of his evolving organization.

• Aki – A tall, muscular sixteen-year-old adopted son of the Takamine household, with sharp features, broad black bat wings, a barbed tail, and crimson-flecked eyes, radiating dominant, predatory confidence. S-Rank peak Mana user and master of Dual Cultivation, he wields the Great Dragon and Little Aki abilities, strategically guiding and intimately engaging with Takamine Kasumi and her daughter Ayame through sexual cultivation that blends mentorship, emotional control, and physical dominance. Calm, weary, and sophisticated, he exudes magnetic authority, admiring legs and feet as symbols of his power, while mentoring Mittelt and Kalawarner, restoring the latter, and plotting to claim Issei’s Boosted Gear—all amid the tangled drama of his forbidden family bonds.

• Takamine Ayame – Eldest Takamine sister, tall and confident with long pink hair, slender waist, large breasts and an athletic build. Bold, open‑minded, a flexible swimmer and Aki’s host‑family older sister in Garden: Takamine‑ke no Nirinka. Playful yet resistant to her sister Sayuri, ultimately submissive. One of Aki’s non‑blood sisters, energetic, curvaceous and eager to learn magic.

• Ayame – Tall, confident eldest Takamine sister with long pink hair, athletic build, slender waist, and large breasts; a popular swimmer and fire-wielding magic user at Aisu Academy who catalyzes her mother’s transformation. Playful, mischievous, and extroverted like her mother, she calls Aki “Master,” clings to him with submissive devotion, and watches household dynamics with a knowing grin—openly encouraging his advances toward their mother while teasing her younger sister Sayuri, all while experiencing intense physical and emotional reactions in close proximity to both Aki and her mother.

• Sayuri – Younger Takamine sister: long light‑purple ponytail, slender provocative figure, tidy school uniform. Polite, submissive to mother, handles chores, cooks for Aki, shows masochistic devotion and urges mother into an intimate circle. In Dual Cultivation she trembles, is emotionally expressive, extremely sensitive, and faints from pleasure.

• Kasumi – Kasumi Takamine, a tall early-forties widow with snow-white porcelain skin, light-brown wavy hair twisted back, and a voluptuous, mature figure, is the resilient matriarch of the Takamine household and mother to Ayame and Little Yuri. A gifted magic genius with latent sensuality, she returns from a six-month absence, her shy demeanor concealing deep guilt and forbidden desire for Aki—her long-time guardian whose union awakens Mana Affinity. Balancing corporate responsibilities, domestic oversight, and cultivation training, she navigates resignation and etiquette while engaging in intimate encounters with Aki, observed silently by her daughters.

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

• Takamine Sayuri – Aki’s reserved, non-blood-related younger sister with short brown hair and gentle eyes, always dressed in a neat school uniform; excels at chores and possesses a ‘Flexibility’ talent, displaying submissive, masochistic devotion centered entirely on Aki, with maternal instincts and an unwavering desire to remain by his side, appearing in Takamine-ke no Nirinka – The Animation.

• Yuki – Shinomura Yuki is a blonde, sharp‑eyed punk with yellow hair and tsundere vibes. Outwardly she appears as a bandaged male thug at Kuoh Academy, but is actually a petite mixed‑blood demon girl. She despises men, uses a Disguise talent that permanently alters her form slowly, merges with Aki’s abilities, joins his group after a magic surge, targets him, and secretly likes the Hamazaki trio.


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Edited by Kanaa-senpai.
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