Crossover-Isekai 15

Chapter 15 Acquaintances


Edited by: Kanaa-senpai


 ”You bastard!”


 Blinded by rage, the delinquent swung a fist toward Aki’s face.


 Seeing no more fun to be had, Aki couldn’t be bothered to keep playing with these thugs. He effortlessly raised a hand to catch the fist, then pulled the man forward while driving a knee upward with bone-shattering force.


 ”Urgh…”


 Agony flared. The delinquent doubled over and began to dry heave. Seeing that the man was still standing, Aki raised his elbow and slammed it violently into the delinquent’s temple.


 The thug never expected someone with Aki’s “good boy” exterior to strike with such decisive ruthlessness. Without a single chance to resist, his eyes rolled back, and he slumped to the ground, out cold.


 The other delinquents in the alley, seeing Aki finish the fight so cleanly, already started to lose their nerve.


 ”Boss, what’s the play? Maybe we should pick a different target?”


 The delinquent with the pompadour glared at the subordinate who spoke, snapping back in dissatisfaction, “There’s seven or eight of us! Are we really going to be afraid of just one guy?”


 The subordinates remained silent. (Wait, didn’t you say earlier that if someone looked tough, we should just give up? Forget it… you’re the boss, you’re always right.)


 ”You guys, come with me,” the pompadour boss called out to his men. “And remember, don’t start anything. We just happened to see our friend collapsed on the road and we’re helping him to the hospital. We aren’t scared.”


 ”Boss is brilliant!!!” the subordinates cheered.


 Aki kicked the delinquent on the ground. After confirming the man was merely unconscious, he let out a sigh of relief.


 ”Looks like I still need to hold back my strength a bit more…” Aki muttered to himself amidst the startled gazes of passersby. With so many witnesses, he was genuinely worried about something serious happening; the thought of the trouble that would follow gave him a headache.


 The pompadour boss and his crew surrounded Aki. Seeing this, the bystanders quickly scattered like startled birds. Even more than the yakuza, ordinary people were unwilling to get involved with delinquents. Legally registered yakuza still followed some rules, but delinquents were minors; the police couldn’t do much with them besides a few days of detention and a verbal lecture. Because of this, some yakuza specifically groomed delinquents to handle dirty work like arson or kidnappings.


 As the leader arrived, Aki narrowed his eyes. He recognized that face.


 ”Brother, this is all a misunderstanding.” The pompadour had his men hoist up the unconscious thug, acting as if everyone should just take a step back. “Look, my buddy’s face is all swollen. You pay a little for the medical bills, and we’ll call it even. How’s that sound?”


 Aki laughed. “And if I say I don’t have any money?”


 ”No money? No problem. I’ll cover for you-just consider it the price of making a new friend.” The pompadour revealed a mouthful of yellow teeth and grinned. “I like you. You’ve got talent. How about you come work for me?”


 The subordinates looked at their leader with immense admiration. (No wonder he’s the boss. With that level of shamelessness, we can’t even compare.)


 ”Work for you?” Aki started to laugh too. This was truly ironic. Not long ago, he had dyed his hair and practically begged to join them, only to be rejected. They had even extorted a massive “joining fee”¹ from him, and now here they were, offering him a seat at the table. Aki wasn’t in a rush to fight; he decided to chat instead. “Boss, you really are a busy man to have such a short memory. You forgot me that quickly?”


 ”Huh?” the pompadour looked genuinely confused. “Have we met?”


 ”Two months ago. Uesugi Aki.” Aki offered a kind reminder. “Boss, you even took a hefty ‘joining fee’ from me back then.”


 The pompadour couldn’t remember names, but the mention of money sparked a memory. “Oh! So you’re one of our own! I knew this was just a misunderstanding.”


 He let out a dry laugh, sensing things were going south, and prepared to slip away. “Well then, next time I’ll treat you to a proper get-together, Uesugi-nii. For today, I need to take this guy to the hospital.”


 ”Wait.” Aki stepped forward, his boot pinning the boss’s shoe to the pavement. He was still smiling. “Since we’re ‘on the same side,’ about that ‘joining fee’ from before… shouldn’t you return it to me?”


 Unable to extort money and instead becoming the target of extortion himself, the pompadour felt a bitterness he couldn’t voice. (If I had known, I wouldn’t have tried to act tough. If I’d just run, none of this would be happening.)


 ”That… Uesugi-nii, we really have to get him to the hospital. How about I give you the money next time?” As he spoke, he tried to pull his foot back.


 ”Sure. But I need to collect some interest first.”


 Aki slammed his foot down with force. The pompadour’s face instantly twisted in agony.


 ”Screw this! I tried to be nice!” The intense pain broke his facade. He was being humiliated in front of his men. If he didn’t fight back now, his reputation was dead. “Get him! I want his leg broken today!”


 The subordinates glanced at each other before finally swarming forward.


 ”Finally. You were starting to bore me.” Aki sent the pompadour flying with a whip-kick. “I had almost forgotten about you pieces of trash, but I didn’t expect you to deliver yourselves to my doorstep.”


 With Insight Eye² fully active and coordinated with Basic Body Mastery³, Aki moved like someone who had studied martial arts for years. The punks’ swings were telegraphed miles away. He slipped through their guard, parrying and counter-striking with brutal efficiency. Every time Aki struck, someone went down.


 He took special care of the boss. Even as the man rolled on the ground, Aki punctuated the chaos by occasionally stomping a fresh footprint into his face.


 Five minutes later, Aki adjusted his slightly rumpled uniform and strolled away. He left behind a literal carpet of unconscious delinquents. This gang had occupied this area for a long time; Aki had lost nearly 300,000 yen to them. After today, they were square. He’d consider that 300,000 yen their pre-paid medical fund.


* * *


 Meanwhile, Hamazaki Reina and her three companions had finally completed all their tests.


 The results were miraculous. The four of them had rocketed from the bottom of the rankings to become the academy’s most promising dark horses. It had only been two months since their entrance exams. Back then, with the exception of the Mixed-blood Shinomura Yuki, they had all been on the verge of being purged.


 This kind of meteoric rise naturally piqued the curiosity of many. If it were just one person, it could be called a fluke of talent. But all four? No one believed for a second that there wasn’t a secret involved.


 Despite the mounting curiosity, no one was foolish enough to cause a scene on school grounds. Free from the shadow of expulsion, the four girls were buzzing with adrenaline. Now that they had tasted the power of the Inner World, the thought of returning to a mundane life was unbearable.


 ”Should we report the situation with Uesugi?”


 ”We can’t keep it quiet much longer. Look at how many eyes are on us already.”


 Feeling the mixture of curiosity and greed in the stares of their peers, the four girls made a choice. They walked straight to the Student Council President.


 Shitori Sona adjusted her glasses, her cool eyes scanning the four girls with predatory intellect. “I see. I will send someone to verify these claims. If everything checks out, we will be in touch.”


Chapter illustration


 —


 Summary:


 Aki encounters the delinquent gang that previously extorted him and uses his newfound combat abilities to decisively defeat them. Meanwhile, Reina’s group achieves extraordinary test results at the academy, drawing suspicious attention from the student body. To protect themselves, the girls decide to leak information about Aki’s involvement to Student Council President Shitori Sona.


 —


 Trivia:


 - Aki’s concern over ‘holding back’ suggests his power scale is growing faster than his control.

 - The mention of yakuza using delinquents as legal loopholes establishes the gritty societal rules of this world.

 - The greedy gazes of the students foreshadow that Reina’s group will soon be targeted by rivals or factions


 —


 Character Insight:


 The power dynamic between Aki and the delinquent boss is completely inverted; Aki shifts from a former victim to an extortionist in his own right. Reina’s group shows a shift toward pragmatism, deciding to ‘sell out’ Aki’s secret to the Student Council to secure their own safety.


 —


 Lore And Worldbuilding Context:


 The ‘Inner World’ is introduced as a hidden society that students are desperate to stay within to avoid returning to ‘ordinary’ life. Shitori Sona is established as a high-tier intellectual and political authority within the school system.


 —


 TL Notes:


 The name Shitori Sona is a direct reference to the character Sona Sitri from High School DxD, consistent with the ‘Crossover Doujin’ theme of the worldbuilding.



 —


 Glossary:


1 Initiation/Protection money typically paid to gangs.

2 A system skill allowing the user to see through movements or stats.

3 A passive or active skill enhancing physical coordination and reflex.

4 The hidden supernatural society or dimension existing alongside human reality.


Notes:


• 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.

• Uesugi Aki – A 16-year-old male student, 170cm, 55kg. He has black hair and is a transfer student living with the Takamine family. He possesses a suspected Succubus bloodline and high mana aptitude. The protagonist. A student possessing the Dual Cultivation ability and a ‘Victim Template’. Currently navigating the supernatural hierarchy of Kuoh Academy. The protagonist. A student who appears as a ‘good boy’ but possesses decisive combat skills and cold pragmatism. Currently utilizes Insight Eye and Basic Body Mastery. The protagonist. A student with a Dual Cultivation ability. He acts as a ‘scumbag’ to mask his true goals and avoid a ‘cuckold victim’ fate. Possesses a fake Succubus bloodline.

• 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.

• Shinomura Yuki – Blonde, sharp‑eyed delinquent at Kuoh Academy, she appears as a bandaged‑chest male thug but is actually a slender mixed‑blood demon girl. Hates men, wields Disguise talent, demon blood awakening, now a Lower‑Class Demon. After Aki’s magic surge she joins his group, targets him, and harbors feelings for the Hamazaki trio.

• 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.

• 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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