Chapter 131 The Developer Mage ②
Edited by: Kanaa-senpai
”Nn, fu, nn…”
In the middle of our feedback session for the new products, Satsuki, the Royal Mage¹ who had volunteered herself for “experimentation,” was straddling my lap and letting out troubled breaths. She was completely lost in the sensation of her first kiss.
”O-One more time…” Satsuki whispered.
Holding my head, she pleaded for “one more time” for what had to be the nth time now. I answered in silence, overlapping our lips. At the same time, I supported her slender waist and stroked her lustrous black hair from top to bottom. That hair, stemming from her Eastern blood, was well-maintained and without a single stray strand, just like her serious personality.
”Nn, chu, nn…”
Her face, which also carried that somewhat nostalgic Eastern look, pressed close to mine. Her eyes were completely melted, her eyelashes wet, her cheeks flushed, and her lips greedy. Just as I was timing when to slide my tongue in, she asked me a question herself.
”Hey, um… how do you do that?”
”Which ‘that’ are you talking about?” I asked.
”That… ‘deep kiss’ thing…” Satsuki said, her face turning bright red.
She’s so innocent it makes me worry… It’s exactly because she’s like this that she gets caught by a bad guy like me. Thinking that, I wracked my brain for a way to draw out an even cuter reaction.
”Stick your tongue out.”
”L-Like this…?” she asked.
Without a hint of doubt in my words, Satsuki stuck out her red tongue. It made me want to teach her an incredible kiss right then and there, but I held back and kissed her tongue instead. It would be a waste to finish this too roughly.
”Hiaa…!”
I supported her waist as it gave a sudden jolt, licking her tongue with mine. I tickled the underside of the tongue she faithfully kept offered, then nibbled on the tip with my lips. I tasted her seeping saliva. I slid my tongue under hers and licked the sides stickily.
”Thish, ah…! No, shtop…!” Satsuki cried out.
Even as she mouthed words of rejection, she didn’t pull her tongue back. Her hips wiggled, and I felt the weight and softness of her behind. I wondered if she realized that my hardened Ddo-Buddy² was rubbing against her crotch.
”Nnn…! Nnnn…!”
I took Satsuki’s tongue into my mouth and slowly massaged it with my lips. Inside my mouth, I pressed the tip of my tongue against hers and licked up the back of her tongue with a neutral sound. While stroking her twitching waist and back, I ground my crotch against hers. I could feel the heat and softness even through our clothes. Unable to endure it, I pulled her close and thrust my tongue into her mouth.
”Nnn!? Nyah…! Nnnnn!!!”
I held her slender body as she tried to flee, devouring the inside of her mouth. I tangled our tongues thickly, sipped her plentiful saliva, and ate her lips with mine. Satsuki was bewildered by my sudden assault, her mouth pillaged without any way to resist.
Well, that’s what happens when someone asks for a lesson so defenselessly. Her hands scrambled against the back of my head and pulled my ears as if in protest, but it only felt like she was egging me on.
”Nn, nfu, nnn! Nnnnn! Nnn!”
I traced her teeth, tickled the roof of her mouth, licked around her gums, and tangled our tongues again. As thanks for the delicious saliva she gifted me, I poured my own into her. Without resisting, she made a gulping sound in her throat and swallowed. Though, it felt more like she just didn’t know how to resist even if she wanted to.
Eventually, after I had licked every corner and there was no part of Satsuki’s mouth my tongue hadn’t touched, I slowly pulled back and released her. She let out a hot breath and spoke as if spitting the words out.
”Haah… haah… idiot. This… this definitely isn’t a normal kiss!” Satsuki snapped.
”Hmm, well, it was a little bit extreme,” I replied playfully.
When I gave that feigned innocent answer, she muttered “Idiot…” again, rested her chin on my shoulder, and leaned her limp, hot body against me. I stroked her back while smelling her hair and sweat. While trembling slightly, she continued.
”Um…”
”Yeah?” I asked.
”It’s been hitting me… this whole time…”
”Ah, that’s my Ddo-Buddy!” I said.
”Even I… can make it get hard…” Satsuki murmured.
I said it jokingly, but her tsukkomi³ failed to launch. Seeing her act differently than usual made me feel the blood rush to my Ddo-Buddy even more. I’m sure she’s not doing it on purpose, as usual, but being provoked like this is unbearable.
”Of course you can… Listen, Satsuki, you should be a bit more aware of your own charm.”
”Eh…?” Satsuki looked genuinely confused.
Since she made a face that said she truly didn’t understand what I was talking about, I got a bit irritated and decided to make her understand. I moved the hand I had around her waist to the front and squeezed her chest.
”Yah…! W-Wait a minute!” Satsuki cried.
”I’m going to show you just how much you turn me on.”
”Ah…! Nnn…!” Satsuki said.
Satsuki’s chest weren’t big, but they weren’t small either; they were certainly soft. Though blocked by her mage clothes and underwear, the act of squeezing the chest of a girl I usually tried to see only as an employee or a friend made my brain feel like it was melting with excitement.
”You factored in that this would happen too, right?” I asked.
”Nn! W-Well, I imagined it a little bit!” Satsuki admitted.
So she had imagined it. Getting even more excited, I shifted my position and pressed my face into her chest. Satsuki’s body odor was sweet and refreshing. The warmth, the softness. The beating of her heart. I slowly rocked my hips, conveying the erection she’d discovered to her crotch.
”Hey…! D-Don’t sniff me!” Satsuki pleaded.
”I’m like a dog, right? Because I’m excited,” I said.
As I spoke, I undid the belt at her waist. Her mage clothes had a complex structure at first glance, but they seemed to be a combination of a one-piece-like top and pleated pants-like bottom.
”I-I get it already! I-I’ll take them off myself!” Satsuki shouted.
”No, that’s a no-go. Just sit still and let me undress you.”
”Y-You!” Satsuki protested.
While wrestling with the resisting Satsuki for a while, sometimes sniffing her, sometimes toyed with her body, I stripped her clothes off. Taking advantage of the chaos, I undressed myself as well, sliding my hands through the gaps in her garments to touch her bare skin and pressing my crotch against her everywhere. By the time we were both down to our underwear, her breathing was heavily labored.
”Haah…! Haah…! Geez!” Satsuki panted.

Covering her eyes with one arm to hide her face, Satsuki lay on the floor in her underwear. It was light blue underwear with a modest charm, but I knew. This was made by the same craftsman as the underwear Lily wore during our child-making session the other day. Apparently, there was a go-to underwear craftsman among my female employees.
If that was the case, Satsuki had probably worried quite a bit before choosing this set. Red or black would seem like she was expecting too much, while white would feel too calculated. In the end, she settled on this light blue. I saw right through her.
”Heh… Those are cute undies.”
”…!” Satsuki winced.
Under the arm covering her eyes, her expression twisted with shame. But I noticed. I could see her peeking at my crotch through the gap in her arm. It seemed I was getting a bit too excited as well. With trembling hands, I touched her thigh.
”You’re beautiful…”
”…!” Satsuki gasped.
Satsuki shivered and rubbed her thighs together. She didn’t reject my hand. I reverently kissed her knee and then slowly worked my way up her body. Her thighs were faintly tinged pink. I stroked her pelvis, kissed the edge of her light blue panties, and proceeded to her lower abdomen.
I instinctively nibbled the soft flesh with my lips and licked her navel, yet I wasn’t struck. I just kept stroking her twitching body, passing over the curves of her ribs, and nuzzling my cheek into her cleavage. The sensation of the underwear was a bit irritating. I straddled her legs and pressed my crotch against hers, but she only trembled slightly.
”See? Do you get it now?”
”It’s true that men are beasts…” Satsuki whispered.
”I’m glad you understand,” I said with a wry smile.
Laughing, I took her arms and spread them. Satsuki, pinned to the floor, glared at me with slightly wet eyes and a bright red face. However, there was no resistance in her arms, and she didn’t kick my pressed crotch away.
”Now, let’s hold each other again.”
”L-Like this…?” she asked.
”Of course. In the end, we’re going to be holding each other completely naked, you know?”
”T-That might be true, but…” Satsuki trailed off.
I moved off from on top of her, pulled her arm, and guided her onto my lap. She hesitated for just a moment, but eventually, she fearfully lowered her hips herself. Bare skin brushed against bare skin. Our crotches, separated only by underwear, pressed together, making it clear that she was hot and wet.
”Uah…♡!?”
Satsuki let out a small cry. She was shamed by the realization that her pleasure and the fact that she had been wetting herself in anticipation had been exposed to me. Wanting to make her even more embarrassed when she acts shy is a bad habit of mine.
”You’re wet, aren’t you?” I asked.
”Ugh…! T-That’s your fault!” Satsuki snapped.
”I see. So you got wet for my sake.”
”Ugh…!”
”If you keep saying such cute things, I won’t be able to be gentle, okay?” I warned.
Saying that, I rubbed our incredibly hot crotches together while reaching for her bra clasp. I slowly undid it and took it away, but I didn’t touch her there yet; instead, I kissed her collarbone. Her hard tips and my chest brushed against each other slightly.
”Haan…♡! No, that’s not…!” Satsuki cried.
Surprised by the sweet voice that escaped her, she hurriedly covered her mouth with her hand. I wanted to press her on what exactly was ‘not’ right, but I figured she might actually get mad, so I decided against it. I slowly reached out and gathered that soft flesh into my hands.
”Ah…♡! No, again…♡! Aahh…♡!”
Just with that, Satsuki became unable to stop her voice. The wetness, which had increased in volume to a neutral degree, soaked through both our underwear and into my Ddo-Buddy. I licked her collarbone. A smooth sensation and a salty taste spread across my tongue. I stroked her arched back.
”W-Why is it like this…! ♡”
”Is it different from when you touch yourself?” I asked.
”I don’t touch… myself…! ♡”
”Didn’t you say earlier that your behind was already developed?”
”S-Shut up! ♡ Idiot! ♡” Satsuki cried.
I stroked the behind of the writhing Satsuki and dropped my lips to her chest. She scrambled her hands through my hair—was that supposed to be a protest? I got even more fired up and took her erect tip into my mouth. I stroked her back. I grabbed her behind and kneaded it.
”Hiaa…♡! Ah, ah! ♡ Nooo…! ♡ Idiot, idiot, beast, lecher…! ♡”
My gut and crotch simmered at the sweet insults from the girl I was currently ‘leching.’ This elite Royal Mage is way too much of an accidental tease… I wondered how on earth she had managed to protect her virginity until now in this state.
”Auuu…♡♡♡”
Realizing that no matter how much she cursed, I wouldn’t stop, Satsuki began to cry out in a weakened voice. I slipped my hand inside her underwear and kneaded her bare cheeks. If I put a finger in her behind, I’d probably get punched… But man, if she went to the trouble of developing it, wouldn’t it be rude not to touch it?
After a brief internal struggle, I succeeded in suppressing my desires. Getting her behind violated for her first time might be traumatic. Instead, I vowed that she would eventually squeeze it out in front of me as I pulled my mouth away from her tip with a neutral sound.
”Satsuki…”
”W-What is it… ♡” she asked.
”You’re way too erotic.”
”W-What!? Y-You’re the pervert!” Satsuki shouted.
She finally started slapping my back with neutral sounds, but each hit was touchingly weak. Honestly, I couldn’t hold back anymore, but there was one last preparation left.
”Let’s see, I think I left the ‘Defloration Lesson’ around here somewhere…”
”Ah…” Satsuki gasped.
Realizing the time had finally come, Satsuki’s body gave a tremble. Was it from fear, or anticipation? Or perhaps both. As I pinned her to the floor once more, she hugged me and whispered in a small voice.
”I… I don’t need it…”
”Eh?” I asked.
”If it really hurts, I can do something about it myself, so I don’t need lubricant…”
”Is that so? You might not be able to concentrate because of the pain, and it’s easier than pain-killing Magic⁴, you know?”
”I-It’s fine, so… j-just don’t leave me!” Satsuki cried.
This girl keeps saying such cute things… I stroked her lustrous black hair and kissed her bangs. As she requested, I kept our skin pressed together while undressing her and then stripped off my own underwear. I pressed my Ddo-Buddy, now without anything separating us, against her hot place. It was dripping wet, and it seemed she was already prepared.
”Ah…”
”Well then, I can’t hold back anymore either, okay?” I said.
While my inner beast wondered why I would say something that made it hard to be gentle, my mouth spun words to give her peace of mind. After tracing her crack a few times to coat myself in her wetness, I slowly sank deep inside of her.
—
Summary:
Following a feedback session for new products, the protagonist and Satsuki engage in an intense, lingering first kiss. Satsuki, though innocent and inexperienced, expresses a desire to learn about ‘deep kissing,’ leading to a highly sensual encounter. The protagonist eventually strips her and himself, discovering she is wearing special underwear similar to other employees. Despite her verbal protests and ‘beast’ insults, Satsuki is clearly aroused and gives in to her desires. The chapter ends as the protagonist prepares to take her virginity, with Satsuki refusing lubricant and asking him to stay close.
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Character Insight:
Satsuki’s duality is the highlight here; she is a high-ranking Royal Mage with a serious, diligent reputation, yet she is completely defenseless and ‘innocent’ in the face of physical intimacy. Her ‘accidental tease’ nature suggests she has suppressed her desires for a long time, possibly due to her position. The protagonist, while playing the role of the ‘bad guy’ or ‘beast,’ shows a sliver of restraint by choosing not to pursue her ‘developed’ rear immediately to avoid traumatizing her during her first time, indicating a level of care beneath his predatory persona.
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Behind the Scene:
The mention of the ‘underwear craftsman’ suggests a recurring gag or world-building element where the shop’s staff share information on high-quality lingerie, possibly influenced by the protagonist’s shop items. Satsuki’s Eastern heritage is a common trope in Isekai to explain unique physical traits or a ‘different’ kind of beauty compared to the standard fantasy setting.
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T/L:
Notes:
• Satsuki – A talented Court Mage who was forced to analyze the shop’s adult magic tools. Miranda’s granddaughter. Now she’s the new worker at Harvest, a development she finds both humiliating and surprisingly fulfilling due to the rapid progress in her research under Kento’s guidance. Has long black hair, palace mage robe, and staff.
• Lily – the sl*ve and primary experiment subject for the magic shop, ‘Harvest.’ She has striking pink hair, Blue eyes, medium breasts, which the Protagonist associates with being ‘wanton’. She has a working knowledge of magic, which she kept hidden from the slave trader.
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Edited by Kanaa-senpai.
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