Volume 2 Chapter 12 The Secret Pact and a Teenager’s Desperate Wish for a Bigger Chest
Edited by: Kanaa-senpai
”Hey there, glad you finally made it, you guys~” Himari yelled the greeting.
”Wait, what in the world? Why are you here, Hima?” Hibiki groaned in exasperation.
”No way I’m getting left out of the party! I gotta be in on the action, too!” Himari declared loudly.
Today, Rindou Hibiki and Ihara Kairi were supposed to meet up with Hirose, their plan being to introduce him to Hibiki’s junior, Aoi. But somehow, Motoya Himari—whom no one had even bothered to invite—had shown up out of the blue.
”Well, I guess it’s fine if Hima stays… C’mon, let’s head inside, then.” Hibiki conceded with a shrug.
”Yes, ma’am!” Aoi chirped a cheerful response to Hibiki, having already joined the group.
And so, the four of them headed straight for a karaoke place.
”Figured this was the best spot, right? Gotta be somewhere no one can overhear us talking about serious stuff.” Hibiki reasoned as she opened the door.
While Hibiki’s apartment would’ve been an option, they decided on karaoke for a change. It was a holiday, after all—why not mix business with pleasure? They planned to call Hirose in one hour. The idea was to first explain the details of his ‘Gift’—which he’d already agreed to—before finally introducing him to Aoi.
”Alright! Let’s sing our hearts out!” Himari shouted, already grabbing the mic.
”Idiot.” Hibiki muttered.
”Ow!” Himari whined after Hibiki delivered a sharp chop to her head.
”If you’re just here to goof off, I’m gonna get mad, Hima~” Hibiki warned, her voice firm.
”Okay, okay, I get it…” Himari grumbled, pulling a face as she plopped herself heavily onto the couch in the karaoke room.
After ordering their drinks, the serious conversation finally began.
”—Aoi-chan. We need to jump right into it. Like I said, I called you here to talk about something that can maybe make your chest bigger. And I mean, for sure.” Hibiki stated directly.
”Y-Yes, Senpai…!” Aoi breathed.
Frankly, this was a story a ninth-grader would struggle to believe. The only thing that popped into Aoi’s mind was breast implant surgery. That was the only thing she could imagine when someone promised something “for sure.” Even as a middle schooler, she had some basic knowledge about cosmetic surgery, which led her to that conclusion. But Hibiki was a high schooler—Aoi couldn’t believe her senpai would ever suggest something so extreme to a junior.
”Let me explain properly. My boyfriend, Hirose, has a certain ‘Gift.’ And one of the skills tied to it is… well, it can make breasts bigger.” Hibiki explained softly.
”Huh… T-There’s really something like that?” Aoi gasped.
It was only natural for Aoi to be shocked. Making your chest bigger without foreign objects—which required huge amounts of cash and surgical cuts to your own body—was unbelievable.
”There is, seriously. A skill like that, it’s practically a dream come true.” Hibiki nodded.
”That’s…! That’s the hope for every flat-chested woman in the whole world!” Aoi yelled, leaning forward eagerly toward Hibiki.
She’d been tormented by her small chest for ages. Now, the problem that had bothered her for so long might finally be solved. She couldn’t stay calm, not now.
Around fourth grade, Aoi hadn’t really cared about her chest size. But as she got older, her chest measurement fell behind everyone else’s. It became painfully obvious in middle school. Even though she was lucky in looks, her body completely lacked any girly curves. This insecurity was probably why she could never be more forward with her crush.
She loved basketball, and it was there she found her crush, a classmate. He was one of the big reasons she worked so hard at the sport. That’s why she needed to get closer to him. It was natural for her to want him to finally see her as a woman.
”Yeah… but here’s where things get tricky.” Hibiki murmured.
”Okay.” Aoi nodded.
”First, you need to make me a promise. You can’t tell anyone else about this skill. No, I need you to ‘Pledge’ not to speak about it.” Hibiki corrected herself, using the specific term.
”‘Pledge’? What’s that?” Aoi wondered, tilting her head, confused by the difficult word.
”Hirose’s skill is probably super special. That’s why I don’t think we should let random people hear about it. I know I shouldn’t be the one saying it… but it’s something that would be a huge problem if it got spread around too easily—right, Umirin?” Hibiki said, turning to Kairi, who had been sitting quietly next to Himari the whole time.
Kairi took a sip of the ginger ale in her cup before she finally spoke.
”…My Gift is called ‘Pledge.’ It forces the other person to follow through on an agreement or a promise. Of course, it only works if the other person agrees to it first.” Kairi explained calmly.
”So, this conversation has to be kept secret from everyone else?” Aoi clarified.
”That’s right.” Kairi confirmed.
Kairi’s Gift, ‘Pledge,’ forces the conditions of an agreement made between her and the other party to be kept. It only works when both she and the other person agree. Once the contract is in place, if the person tries to speak or act against the conditions, they’re physically unable to. It’s an insane Gift, depending on how you use it, but Kairi had only ever used it on her family before.
The story of how she got this Gift was tied to her father, but that’s a different story for another time. ¹
”So, before we tell you all the details, I need you to make a ‘Pledge’ right now. I think you’re a good kid, Aoi-chan. But I need to be extra, extra careful.” Hibiki insisted with a serious expression.
Aoi was already happy that her senpai had listened to her so kindly, and now she was being offered a way to finally get bigger breasts. Aoi was ready to follow Hibiki’s will from the start.
”I understand! I’ll take the ‘Pledge’!” Aoi promised with full conviction.
”Aoi-chan. Thank you. Now—Umirin?” Hibiki prompted.
”Sure thing.” Kairi replied.
Kairi reached out her right hand toward Aoi, who was sitting across the karaoke table. Aoi extended her own right hand, and Kairi placed hers on top.
”—You will not speak to any outsider about Hirose’s Gift. The only conditions for speaking are when we are present, or when Hirose himself is present. You cannot speak if an outsider is in the group. Okay?” Kairi stated the terms.
”Yes. That’s fine with me.” Aoi agreed.
After Aoi confirmed her will, a pale, blue light began to glow from Kairi’s hand.
”Then, let the ‘Pledge’ between Aoi-chan and me be bound…” Kairi whispered.
The light from Kairi’s hand spread to Aoi’s hand, completely enveloping both of their clasped hands. Then, the light quickly dispersed into shimmering particles and vanished.
”All done. That’s the end of it.” Kairi finished.
”Thank you very much!” Aoi exclaimed.
The preparations were complete. Next came Hibiki’s explanation of Hirose’s skill.
For now, she chose to keep the discussion limited to the ‘Breast Growth’ skill.
”—He has to touch you directly… and you get ‘Recoil’… is that right…?” Aoi mused after Hibiki finished her thorough explanation. Her reaction was exactly what Hibiki had expected.
Aoi had a crush. She wanted a bigger chest for him. But she had to let Hirose touch her chest directly… This was a huge, almost impossible hurdle. So far, the girls who’d had the treatment didn’t have a crush on anyone. Aoi was the first of her kind.
”Hirose is my boyfriend, and he has to touch your chest while the skill is active. He’s a serious guy, so he tries his hardest not to think weird things, you know? He forces himself to hold back.” Hibiki reassured.
”I… I see…” Aoi mumbled.
Letting a near-stranger of the opposite sex touch her breasts was not an easy conversation. No matter how much she wanted a bigger chest, she couldn’t decide that quickly.
”Plus, I know it might be totally embarrassing to ask, but because of the ‘Recoil’ effect, you… you end up feeling really good.” Hibiki confessed with a slight blush.
”F-Feeling good…?” Aoi’s face began to flush red with shame.
As a ninth-grader who was always focused on her basketball club, Aoi was lacking in that kind of knowledge. But to say she knew nothing would be a lie. She’d done things by herself while thinking about Hayato, her crush, so she definitely knew what that “good feeling” was like.
”That’s why I’m worried. What if you get so satisfied by Hirose’s hands that you stop having feelings for your crush?” Hibiki admitted her concern.
”Hibiki-senpai… I don’t think that will be a problem.” Aoi responded.
Aoi’s answer was not what Hibiki had expected.
”If I stop liking Hayato because of that, then my feelings for him must have been that weak, anyway. Honestly, it might be a good way to finally get over him.” Aoi said with unexpected maturity.
”Aoi-chan, wow! That’s so mature. I could never think like that!” Himari exclaimed, her eyes wide.
As someone who’d already been seduced by Hirose’s hands, Himari was amazed by Aoi’s adult-like perspective. That pleasure was impossible to resist. Everyone who felt it fell for Hirose’s touch. It was highly likely that Aoi would end up the same way.
”B-But… letting someone touch my chest… I’m honestly just too embarrassed…” Aoi admitted, her voice small.
”I hear you. That’s totally up to you, Aoi-chan. It takes time and a lot of sessions to make them bigger. Anyway, Hirose is coming here now. Why don’t you meet him, and then let me know your decision in about a week, okay?” Hibiki proposed.
”Understood.” Aoi agreed.
Right on time, Hibiki’s smartphone buzzed with a message from Hirose. A few minutes later, the karaoke room door slid open with a click.
”Hey, everyone. Thanks for waiting.” Hirose greeted them at his usual casual pace.
”Heeeey! Welcome!” Himari cheered back, and Hirose settled down next to Hibiki.
(So that’s Hibiki-senpai’s boyfriend… He looks more like a totally regular guy than I expected… I’m actually relieved he’s not some super popular, cool dude.)
Hibiki was super cute, so Aoi had imagined her boyfriend would be some kind of cheerful, handsome playboy. But the person who showed up was completely different from her imagination.
”Nice to meet you. You’re Aoi-chan, right? Sorry, I didn’t know your family name, so I’m calling you that. Tell me if you don’t like it.” Hirose offered politely.
”N-Nice to meet you! That name is perfectly fine! I’ll call you Hirose-senpai!” Aoi replied with a tense, formal greeting.
Hirose, on the other hand, felt less stressed around younger girls. Maybe it was because he’d been hanging out with his sister and younger friends a lot lately.
(This person… is going to touch my chest…)
Aoi imagined Hirose gently kneading her breasts while activating his skill.
(Ugh… It’s still so embarrassing…)
Yet, Aoi didn’t feel disgusted. She only felt shame. Why was that? Was it because she knew he was Hibiki’s boyfriend, and she was surrounded by three beautiful girls? She felt safe, like he wouldn’t try to aggressively rush her.
”Can I order a drink, too?” Hirose asked.
”No, you can’t.” Hibiki snapped.
”Wait, why not?! Don’t they have a one-order policy here?” Hirose questioned, confused.
”Just kidding! Take mine, okay? I haven’t really touched it.” Hibiki retracted with a sweet smile.
”No way… it’s gotta be warm by now… Fine, whatever.” Hirose grumbled.
”You’re so nice~~” Hibiki cooed.
Watching the casual exchange between Hibiki and Hirose right next to her, Aoi suddenly felt a pang of jealousy. If only she could spend time like that with Hayato…
Even if she got bigger breasts, there was no guarantee she could date Hayato. But if it gave her the courage to finally confess her feelings—
”Hibiki-senpai! Hirose-senpai!” Aoi cried out.
”Aoi-chan?” Hibiki looked up.
”I… I’ll do it! I want the ‘Breast Growth!’ Please, make my chest bigger!” Aoi declared, holding both hands out in front of her flat chest.
* * *
Because Aoi made her decision so quickly, they had plenty of time left over. They decided to spend the rest of the time doing what they came to do: sing karaoke.
After about an hour of singing, Aoi left, agreeing to come back for her first session in a week. The only ones left were the four classmates.
”Hey, Hibiki~” Himari purred.
Something was off about Himari. She was wiggling her hips in a way that didn’t fit her beauty queen looks.
”Hima, this was your goal all along, wasn’t it?” Hibiki sighed.
”You caught me! But I mean, come on~” Himari teased.
”If so, doesn’t that make me the hero of the day? I used my Gift, after all.” Kairi pointed out.
”‘Hero’ is a weird word for it, but yeah, Umirin, you did help a lot. Especially for my junior.” Hibiki agreed.
”Wait, what are you guys even talking about?” Hirose asked, completely lost.
Hibiki let out a long sigh of pure exasperation.
”Can’t you tell just by looking at Hima’s face? She’s a horny beast right now.” Hibiki deadpanned.
”Ohhh. Haha…” Hirose chuckled weakly.
That meant Himari had come to the uninvited meeting today hoping for sex. And now that Aoi was gone, only the people who’d slept together were left. The next stop was obvious.
”Hey! Let’s go to a love hotel! I’ve never been to one before!” Himari exclaimed, bursting with excitement.
”Hirose, what do we do?” Hibiki questioned.
”What do we do…? We’ve never been either… Can high schoolers even get in?” Hirose wondered.
”If it’s a place that doesn’t check IDs, I don’t think it’s impossible…” Kairi mused.
”Then let’s go! Let’s go, go, go!” Himari insisted, already leading the way out, full of sexual determination.
Seeing that, Kairi decided, “I’m starting to get into the mood, too,” and followed Himari out the door.
Hirose and Hibiki exchanged a look. With a mutual, resigned expression of ‘Oh well, what can you do?’ they followed their two friends.
—
Summary:
A critical meeting takes place in a secret karaoke room as Hibiki and Kairi attempt to help their insecure kouhai, Aoi, with her flat chest. The problem? The Gift’s solution is incredibly awkward and intimate, requiring Hibiki’s boyfriend, Hirose, to touch her. Aoi struggles with the shame and fear of losing her crush, Hayato, to the pleasurable ‘Recoil’ effect, but her desperate desire for feminine curves wins out. With the deal sealed by Kairi’s powerful ‘Pledge’ Gift, the determined middle schooler commits to the embarrassing treatment.
The chapter ends on a sudden romantic turn as the remaining group—fueled by Himari’s uninvited lust—sets off to find a love hotel for a private moment, cementing the story’s themes of desire and intimacy.
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Character Insight:
Aoi’s unexpected maturity in her decision to pursue the Breast Growth skill, despite the sexual risk, highlights the depth of her body insecurity and her longing to be seen as a woman by her crush. Her willingness to risk losing her crush to a better feeling suggests a pragmatic yet fragile emotional state, making her a more complex character than just the innocent kouhai. Himari’s role as the sexual instigator is a clear result of the ‘Recoil’ effect’s power over the girls, forcing the plot into explicit relationship territory.
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Behind the Scene:
The chapter’s main action involves a serious discussion about the Gift’s abilities and the necessary pact of secrecy with Aoi. Kairi uses her ‘Pledge’ Gift to magically bind Aoi, showing the serious, hidden side of the world and establishing the high stakes of Hirose’s secret. Aoi’s immediate and very earnest consent (driven by her insecurity) moves the plot along faster than Hibiki expected, which is why the final scene pivots quickly to the romantic/sexual side plot as the group heads for a love hotel.
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T/L:
¹ The mention of Kairi’s Gift being tied to her father is a small piece of lore that hints at a larger, more serious backstory for her, showing that the Gift world is not all fun and games. It’s like a little breadcrumb for dedicated readers! ↩
Notes:
• Ihara Kairi – Short, pale blue hair and D-cup (F, 159cm), Kairi is Hibiki’s sharp-witted friend. She’s known for her cute smile but is frequently suspicious and inquisitive regarding her classmates’ secrets. Kairi’s interactions highlight Hirose’s growing circle and the effect of his skill.
• Motoya Himari – Energetic classmate of Hibiki (F, 161cm, orange long hair, D-cup) who avoids the ‘gyaru’ label. Himari is lively and often envious or curious about developing romantic and physical relationships around her, seeking Hirose’s attention as the story progresses.
• Rindou Hibiki – Hirose’s cheerful, bold classmate who is the first to request his Beauty skill. Hibiki (F, pink bob hair, 158cm, F-cup) is outgoing, expressive about her interests, and quickly becomes Hirose’s girlfriend after an explicitly intimate scene. Her reactions help set the adult tone of the story.
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Edited by Kanaa-senpai.
Thanks for reading.
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