Crossover-Isekai 17

Chapter 17 Stalker


Edited by: Kanaa-senpai


 After giving Hamazaki Reina-san and her three friends a brief education on the nature of Succubi, Sakuramachi Touko-san successfully extracted every bit of intelligence they had on Aki.


 ”Thank you for the hospitality, Hamazaki-san. I’ll be taking my leave now.”


 Having finished her song, Sakuramachi Touko-san took her leave. Reina-san and the others didn’t try to stop her; although they had gained some insight, none of it seemed particularly useful. In the end, they would just have to wait for the Student Council’s investigation.


 Wednesday.


 After more than a week of preparation, Shitori Sona-san finally decided to send Shinra Tsubaki-san, the Student Council Vice President, to make contact with Aki. Tsubaki-san’s own power level was higher than Aki’s, making her a less-than-ideal choice for a natural encounter, but there was no more time for selective recruitment.


 The Ability¹ to boost a woman’s strength through the exchange of bodily fluids had piqued more than a few interests. Whether they were Devils, Fallen Angels, or other races, everyone hungered for power. They had given the Student Council a week of peace out of professional courtesy, but if the results didn’t materialize soon, they wouldn’t hesitate to take matters into their own hands.


* * *


 At a corner of the school building, Aki looked up and released the trembling, shy girl from his embrace.


 ”You should head back now.”


 ”O-okay… Thank you, Uesugi-kun.”


 The girl’s lips still held a faint, glistening trail of silver. Though she looked disappointed, she bowed obediently and scurried away. Once she disappeared into the stairwell, Aki cast a glance toward the shadows behind him.


 ”Sakuramachi-san, you’ve been tailing me for days. What do you actually want?”


 Sakuramachi Touko-san remained perfectly poised, her voice flat. “I’m just observing. Don’t mind me, Uesugi-kun.”


 Aki rolled his eyes. (Don’t mind her? Easy for her to say.)


 After last week’s tests, Reina-san and her clique had become surprisingly docile, finally giving him some breathing room. But just as he was celebrating the chance to put his plans into motion, this stalker appeared out of nowhere.


 Sakuramachi Touko-san. A classmate from the next room over and a notoriously high-cold beauty. She was gorgeous – voluptuous curves, long legs, a narrow waist, and a chest and rear that could stop traffic. She had a body built for sin, yet she never cracked a smile. That was the official version of Sakuramachi Touko-san.


 In reality, she was a pure-blood Succubus. For some unknown reason, she lacked the telltale tail and horns, making her indistinguishable from any other girl. Aki had used the Succubus bloodline excuse to hide his own quirks, never dreaming he’d actually be hunted by the real deal. He was interested in her, sure, but being treated like prey didn’t exactly sit well with him.


 Under Touko-san’s constant surveillance, Aki’s plans were stalled. He was stuck playing the passive recipient for every girl who confessed to him. He’d use a kiss to check for Talent² – if they didn’t have it, he’d call it a consolation prize; if they did, he’d accept the confession. Not every girl was down for it, and he had no qualms about rejecting them on the spot.


 Having awakened a Dual Cultivation ability in this world, Aki had zero interest in being a good guy. The more he solidified his reputation as a lecherous scumbag, the better. It helped suppress the cuckold victim role the world seemed to want for him and provided a perfect smokescreen for his true goals.


 Unfortunately, Talent was proving harder to find than he’d hoped. His previous streak of five in a row must have been a decade’s worth of luck exploding all at once. After sampling several slick, supple little tongues today, he hadn’t found a single hit.


 Touko-san stared at him for a long beat. “Would you like to come to my house today?”


 ”Huh?” Aki blinked, shaking his head immediately. (Being drained dry was the least of his worries; if I, a fake Succubus, run into a real one in private, my whole act might fall apart.)


 ”You haven’t really done much with Hamazaki-san and her friends this week, have you?” Her intellectual mask slipped, a deep flush creeping onto her cheeks. “Uesugi-kun, you must be struggling. I can help you… release everything.”


 After a week of watching, Touko-san had decided it didn’t matter if he had the bloodline or not. The more she watched him, the more her hunger grew. Her instincts were screaming at her to claim him. Every time she saw him kissing another girl, she wanted to tear them away and take their place.


 Aki gave a mocking smirk. He had been well-behaved at school because he wasn’t into being watched – especially not by a Succubus with an agenda. But at home, he still had the two lovely Takamine sisters. With no one else to split the firepower, he’d spent the week thoroughly breaking them in. They had both shown quite the talent for being his flesh charms, and after a week of discipline, Aki had officially ascended from being the lowly little brother to the absolute Emperor of the household. On the plus side, he didn’t have to worry about his base being stolen anymore.


 ”Actually…” Aki’s thoughts shifted. He couldn’t keep saying no; it didn’t fit his scumbag persona. “So, Sakuramachi-san just wants to get laid? You should have just said so. I thought I’d actually pissed you off or something.”


 Touko-san licked her lips. “Then it’s settled. I’ll wait for you at the gate after school.”


 ”Fine by me. I’d never turn down a beauty like you, Sakuramachi-san,” Aki said, and for once, he meant it. Seriously, the women in this world were on another level; their looks and bodies were top-tier, far more alluring than any normal girl or even a standard heroine. Aside from their questionable views on fidelity, they were the perfect harem candidates. Especially a literal Succubus. “But instead of your place, how about a Love Hotel?”


 ”Oh? Why?” Touko-san looked puzzled.


 ”You can play a lot harder in a Love Hotel.”


 Touko-san let out a soft laugh, her lustful expression vanishing back behind her cool facade. “I live alone. There’s no need to worry about interruptions.”


 ”Uh… alright, then.” Aki just wanted to keep things strictly physical, keeping their private lives separate. Touko-san didn’t seem to take the hint, and he didn’t want to be too blunt. (As long as I don’t catch feelings, it’s not cheating – it’s just efficient!)


 The atmosphere turned pleasant, and they moved in for a contractual kiss. Aki wrapped his arm around her slender, willow-like waist, intending to get an early reading on her value. Touko-san closed her eyes. She had watched him do this to so many others; finally, it was her turn.


Cough, cough!


 A sharp, clear throat-clearing cut through the air, freezing them in place.


 ”Sakuramachi Touko. The Student Council issued specific directives regarding this matter.” The voice was melodic but carried an undeniable weight of authority.


 Touko-san let out a frustrated sigh, reluctantly pulling her arms from around Aki’s neck. “Vice President… your Council moves like molasses. Since you guys couldn’t pick a representative, I figured I’d do you a favor.”


 Shinra Tsubaki-san let out a cold snort. “Hmph. Your impatience is no excuse for overstepping.”


 ”Fine, you’re the Vice President, you make the rules. But the Council has to give us a timeline. We can’t just keep dragging our feet forever.”


 ”…” Tsubaki-san went silent for a moment, then turned her head away, murmuring softly, “Haven’t we already sent someone?”


 ”Sent someone?” Touko-san looked around, seeing no one. Finally, her eyes landed on the stiff, dignified Tsubaki. Her jaw slowly dropped. “The President actually… she actually agreed to send you?”


 Tsubaki-san shoved down her embarrassment, her expression turning dead serious. “I am a member of the Student Council. It is my duty to fulfill my obligations.”


Chapter illustration


 —


 Summary:


 Sakuramachi Touko investigates Aki by questioning Hamazaki Reina and then begins stalking him directly. Aki, realizing he is being observed, tries to maintain his ‘scumbag’ persona while searching for girls with ‘Talent’ via kissing. The tension peaks when Touko invites him to her house, but the encounter is interrupted by the Student Council Vice President, Shinra Tsubaki, who has been sent as the Council’s official contact.


 —


 Trivia:


 - Touko’s lack of a tail and horns: Hints at a unique or suppressed lineage that differentiates her from standard Succubi.

 - Aki’s ‘cuckold victim’ template: Meta-awareness of tropes suggesting the world itself might be governed by specific narrative laws he is actively fighting.

 - The ‘Talent’ scarcity: Suggests Aki’s initial success was an anomaly, setting up a need for more strategic targets.

 - Student Council’s interest in ‘Ability’: Foreshadows a transition from simple school life to faction politics involving Devils and Fallen Angels


 —


 Character Insight:


 Aki shifts from a predator to prey as Touko’s ‘Succubus instincts’ take over. His relationship with the Takamine sisters has stabilized into a master-servant dynamic, granting him a secure ‘home base.’ Meanwhile, the Student Council’s entry via Tsubaki indicates Aki is no longer under the radar of the school’s major powers.


 —


 Lore And Worldbuilding Context:


 The world is established as a ‘Crossover Doujin World’ containing factions like Devils and Fallen Angels. The power system involves abilities that can be transferred or enhanced through physical intimacy (Dual Cultivation). The presence of characters from High School DxD confirms a high-power-ceiling setting.


 —


 TL Notes:


 The term ‘high-cold’ (高冷) is kept to maintain the specific character archetype common in web novel tropes. ‘Dual Cultivation’ is used as the English equivalent for ability-sharing through intimacy to align with xianxia/urban fantasy conventions.



 —


 Glossary:


1 Dual Cultivation: A practice, often found in Eastern fantasy, where two partners enhance their spiritual or physical power through intimate contact.

2 Ability: Specifically refers to Aki’s unique system-like power to transfer or boost strength via bodily fluid exchange.

3 Talent: A hidden quality in individuals that Aki can detect, necessary for his specific power system to yield results.


Notes:


• Sakuramachi Touko – Shoulder‑length bluish hair, icy demeanor, cool‑attractive look, distinct from Fuyuko Mayuzumi. A high‑cold, voluptuous classmate with long legs and a slim waist, wearing glasses and a studious expression that hides a predatory nature. A pure‑blood succubus at Kuoh Academy, lacking horns and a tail, with a lingering, reluctant look and weaker than Tsubaki.

• Hamazaki Reina – Long dark hair, emerald‑green eyes that flash, sharp calculating gaze; modern school uniform with miniskirt and black silk stockings. At Kuoh Private Academy she leads a trio as “Big Sister/Boss,” pushing Aki to grow stronger, now obedient and wielding Insight Eye on his bloodline. In the Hidden Academy she heads four girls linked to Aki, one of four top‑improving students, recently power‑spiked and docile toward him.

• Aki – 16‑yr‑old mixed‑blood succubus, messy black hair, slender‑muscular, delicate features, black‑rimmed glasses; handsome, admired at Kuoh Academy. Reincarnated with Loser’s Script & Cuckold template, he boosts magic via Dual Cultivation and bodily fluids, adopted by Takamine sisters, trains at Hidden Academy, scouted by devil factions, pragmatic, lecherous, meta‑aware, posing as a cute junior in Akeno’s lap.

• Shinra Tsubaki – Shinra Tsubaki, a dark‑blue‑haired, refined and calm devil with long black hair, pale skin, glasses and liquid‑bright eyes, serves as Vice President of the Student Council and Sona’s Queen‑type retainer. An outcast from the Five Great Exorcist Clans, she is a serious, strong‑willed member of Sona’s peerage, sent to contact Aki on the President’s behalf.

• Shitori Sona – Shitori Sona is the short‑haired, glasses‑wearing Student Council President of Kuoh Academy and a high‑class pure‑blood devil (King) of the Sitri family. Stoic and disciplined, she commands respect, competes with Rias for Aki’s attention, and seeks strong subordinates. She assigns Tsubaki to contact Aki and is easily irritated by his antics.

• Tsubaki – Shinra Tsubaki, a dark‑blue‑haired, refined and calm devil with long black hair, pale skin, glasses and liquid‑bright eyes, serves as Vice President of the Student Council and Sona’s Queen‑type retainer. An outcast from the Five Great Exorcist Clans, she is a serious, strong‑willed member of Sona’s peerage, sent to contact Aki on the President’s behalf.

• Sona – Shitori Sona is the short‑haired, glasses‑wearing Student Council President of Kuoh Academy and a high‑class pure‑blood devil (King) of the Sitri family. Stoic and disciplined, she commands respect, competes with Rias for Aki’s attention, and seeks strong subordinates. She assigns Tsubaki to contact Aki and is easily irritated by his antics.


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Edited by Kanaa-senpai.
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