Chapter 10 Dealing with the Guild Merchant and the Tremble D**do-kun
Edited by: Kanaa-senpai
”…Get me some water, please.”
”Sure thing, sure thing.”
”…Feed it to me, mouth-to-mouth.”
”Yeah, yeah.”
”…Pat my head.”
”Of course.”
”…Give me a kiss.”
”Coming right up, I said.”
Lily couldn’t even stand up, her hips absolutely shattered by the Tremble D**do-kun experiment from the other day. I just kept spoiling her, doing whatever she asked, busying myself with her every need. It’s tough to tell who’s the master and who’s the slave with us, but I never complain; I just let her be pampered.
Sure, that was totally within the scope of her job as my test subject slave, Lily, and she didn’t break any part of our contract, but a relationship between two people isn’t bound by such rigid, black-and-white rules, you know? Besides, I know I pushed it a little too far this time….
”…Huuug.”
”Alright, here you go.”
”Nfufu…♡”
She finally seemed satisfied, snuggling right up into my arms and grinding her face playfully against my chest. I gently ran my fingers through her pink hair, poking her cheek, stroking her head, and even pinching her nose. She let out a small, startled “Nyagh!” and swatted my hand away when I tried to pet her boobs—but I figured she was mostly back to normal now.
”So, what’d you think?”
”Hmm…? Well, I think it’s excellent, actually. I’m only worried about addicts popping up, but there’s no question it’ll sell like crazy.”
Lily gave me her take on the Tremble D**do-kun. Our conversations are so comfortable since she always understands what I’m talking about without me having to ask. I kept on petting her head, aiming to butter her up even more.
”About that vibration feature, you’re planning to make more products with it, right?”
”Yup, that’s the plan. First off, I’m going to make a smaller version and a larger one. We’ll have a rotor small enough to fit in the palm of your hand, and a massage magic tool that gives a much bigger, stronger vibration than the ‘Vibe’. Eventually, you’ll be able to hit all three points—or even four—all by yourself, whenever you want, ze.”
”Th-that sounds like a lot of people are going to fall down a massive rabbit hole…. Um, I might be mistaken, but the next experiments…”
”Of course I’m going to run them! These are product combinations sold in my own shop. I have to confirm the effects myself, you know?”
”Ah…. Ooh…. Pl-please, be gentle this time…”
I grinned, and Lily, sensing danger, threw her hands over her lower belly and let her eyes dart around. I didn’t answer, just kept stroking her head. She finally sighed, accepting her fate. I squeezed her cheek, and she chomped down on my index finger.
But, hey, I really needed to get to work now. Time’s money for a poor man; if I stop working, my wallet gets empty real quick. I lifted Lily and laid her gently on the bed, then started prepping the shop for opening by myself.
I checked the stock of aphrodisiacs and the D**do-kun series, prepared the cheap recovery potions for rookie adventurers, and even glanced at the regular magic tools like staves that rarely sell. A small magic shop like mine has to sell everything just to stay afloat, see?
For a while, I did research on ordinary magic tools in the retail space, enjoying my suspicious shop owner routine with the few customers who trickled in. We had a decent day’s sales—not enough to get rich, but enough to never starve.
That’s when Lily, finally able to stand, came out to the front and called to me, which was a bit unusual.
”Masterrr, someone from the Tasogare Merchant Guild¹ is here to see you.”
”Oh, that’s Sera-chan. I’ll be right there.”
Tasogare Merchant Guild is a wholesale guild operating mainly in the capital, and they supply my shop with magic potions and ingredient materials. Sera-chan is one of their sales reps and has been my contact for ages.
By the way, “Tasogare” means “twilight” or “dusk.” It feels like a bad omen for a merchant guild’s name, but apparently, it comes from a tale about the first guild master back when he was a traveling merchant. Legend says that as he set up camp at sundown every day, he swore he’d one day own a great store—and he eventually managed to establish the Tasogare Merchant Guild.
Sera-chan herself rushed to explain the name when I looked puzzled during our very first transaction. Apparently, my reaction wasn’t rare, and I remember thinking it must be tough for her, dealing with the whims of that first guild master.
With those thoughts in mind, I let Lily watch the store and headed to the back. When I opened the side door, there stood the usual, earnest-looking Sera-chan.
”Good day, always a pleasure. Sera from the Tasogare Merchant Guild has arrived.”
”Hey, Sera-chan. Long time no see, huh?”
She wears her brown, semi-long hair in braids, and her big round glasses and freckles are her most charming features. Her whole appearance just makes me want to call her “Class Prez.”
”Please stop with the ‘-chan.’ The ‘-chan’ needs to stop. I’m not a child, you know…” she protested.
”Relax, relax. I think being lovable is an important talent for a merchant, ain’t it?”
I met Sera-chan when I first opened this shop and went to the Adventurer’s Guild to request that the Tasogare Merchant Guild handle the sale of hard-to-source materials. She had just gained enough experience as an apprentice to be trusted with client transactions and was assigned to my shop.
So, I know all about her early newbie mistakes, and I also know all about her recent growth into a capable professional. She reminds me of a junior colleague from my old world, which is why I can’t help but spoil her sometimes, man.
”Well, fine. But I’ll make sure you acknowledge me as a full-fledged merchant one day!” she vowed.
”Attagirl. Go get ’em, go get ’em.”
”Honestly…. Now then, um, today’s order is the usual: sap from the Akanashi Tree², a decoction of Samon Mushrooms³, right? Plus some various herbs and other small items…”
”Yep, that’s a big help.”
Sera-chan efficiently hauled the materials I’d ordered from her cart into the room. I tried to help a little (Sera-chan fumed and insisted, “That’s my job!”), but the unloading was finished quickly.
”Phew, I always think the same thing: you order such strange things, sir.”
”Yeah, well. That’s a trade secret, so I’d appreciate it if you didn’t pry.”
”Yes, of course, I understand that…”
Sera-chan said that, wiping sweat from her brow, a slight blush staining her cheeks. She’s fully aware of my shop’s other business. Back when she was a newbie, she was so diligent about studying the materials for normal magic tools that she got confused by my cryptic orders and had to ask me what I was using them for.
It makes sense—a merchant guild can’t be involved in shady dealings, so it’s important to check if a client’s business is on the level. I’ll just add that Sera-chan’s utter panic when she was confronted with my various adult magic tools was absolutely adorable.
”Ahem! S-so, what about next time? Is there anything new you’d like to stock?” she probed.
”Oh, right. I need you to supply me with fragments of Metagu Stone. You handle that, don’t you? The fragments, not the powder.”
Metagu Stone is a type of ore mined in the northern mountains around here. It’s slightly magic-conductive and relatively cheap, so it’s mainly used as a catalyst in alchemy or mixed into ink for drawing magic circles.
Because of that, it usually circulates as a powder, but for the Tremble D**do-kun, I need the fragments to create the mechanism that makes the Pololo Snail⁴ shells vibrate.
”Fragments of Metag Stone…? You’re asking for strange things again, aren’t you?”
Sera-chan looked doubtful but pulled out a notepad and quickly wrote down my order. I felt a little bad for giving her such annoying work every time, but it’s a critical material for manufacturing the Tremble D**do-kun.
”So, what size and what quantity do you need? Sourcing it isn’t difficult, but special processing fees might apply if we need to cut it down.”
”Fingertip-sized is fine. I’ll crush and process it myself as long as it’s not too small. As for the quantity… let’s say one big bag for now. I’ll probably be placing regular orders for it, though.”
”Well, alright then…. Sigh. I’ll have it ready for the next delivery. You don’t need it urgently, do you?”
”Nah, next time is fine. Thanks, I appreciate it.”
With that, the mass production system is now fully set up. Next week, I’ll have the Pororo Snail shells from the Adventurer’s Guild and the Metagu Stone fragments from the Tasogare Merchant Guild.
This kind of work is actually exciting, in its own way. I love making magic tools, and I enjoy selling adult magic tools while teasing my customers, but I also genuinely enjoy getting all the logistics ready, ya know?
It suits me, this life of running a little shop. As I was thinking that, Sera-chan finished her notes but stood there, shuffling awkwardly, without giving her farewell.
”You need something else?”
”Ugh…. N-no, well…. I have a request from the higher-ups, you see…”
Her behavior instantly tipped me off. I couldn’t help but let a grin spread across my face, staring at her with a smug, teasing look. Sera-chan instantly realized my intent and blushed even harder. Yes. This is one of the perks of the job. It wouldn’t be an exaggeration to say I run this shop just for moments like this.
”T-that is…. It’s a purchasing request…. From the wives of merchants trading with our guild, and a few other places. They said they want to buy some of Harvest-san’s p-potions and magic tools…”
”Hooo, now that’s great news. Are you sure about their background? You know my products are only sold to women. I can’t help break the law, ya understand?”
”O-of course! We don’t want to cross any dangerous lines, either! We’ve made sure the women are the ones buying them for their own p-personal use!”
I intentionally dragged out the conversation, letting my smug look deepen. This wasn’t the first time for such a transaction, and I’d confirmed the sales channels thoroughly before.
These new clients are probably mostly repeat customers. It’s quite intriguing that the mature wives of merchant house owners are purchasing my wares, and I appreciate the expanding customer base.
Who knows, maybe I’ll get an order from a noble’s wife someday, or even the Royal Palace. I deepened my smile, but more than anything else, my current amusement was with Sera-chan right here in front of me.
”In that case, I have no problem with it. I’ll prepare what I have in stock now.”
”Th-that’s a huge help. Orders have been increasing lately, and people are often discreetly asking around…”
Sera-chan nervously looked around, checking to make sure no one was listening. She knew exactly what I was going to ask her next. The girl who usually looks like a serious “Class Prez” was shaking like a shy, innocent maiden.
”So, what and how much do you need, exactly…?”
”Ugh…. W-well…. T-t-twenty aphrodisiacs, t-ten lotions, and t-ten d-d**dos…”
Sera-chan made her final stand in a voice as small as a mosquito’s buzzing. She was already so embarrassed that I was genuinely moved, but it still wasn’t enough.
”That’s no good, Sera-chan. My shop sells several types of aphrodisiacs and lotions, and we have many sizes and shapes of d**dos, ya know…?”
”Th-the details are written on this order form!” she blurted out.
”Nah, my eyes aren’t what they used to be lately. I don’t want to read tiny letters, and I won’t know what to give you unless you say it out loud!”
”Kento-san, you’re not that old! Even if you were, you could just have Lily-chan read it!” she protested.
”If you don’t say it, I won’t sell it.”
”U-ugugh!“
Her face was beet red up to her ears, and she glared up at me with tear-filled eyes. Hoo boy… this is the best part! Feeling her fiery gaze, I was brimming with the joy of life. I felt like I could take on a full-powered Lily all night and still win!
”M…”
”‘M’…?”
”M, ‘My Lewd First Love’—ten of those, sh-seven of ‘The Harlot’s Pastime’, two of ‘Comfort for the Ripe Body’, and one of ‘Fevered V**ina Hole, Burning Cl**oris’, sir…”
”Ho ho, what else, what else?”
”F-five of ‘Womb Throbbing’, four of the ‘Lustful Woman’s Seduction’ skin lotion, and one of the ‘Soft Skin Service’ for lotion play…”
”Heh, you have some refined customers there. And then?”
”A-and, the ‘D**do-kun’ series… three of No. 1, one of No. 2, and one of No. 3 and No. 6! Th-then, one each of the ‘Bumpy D**do-kun’, ‘Rigid D**do-kun’, ‘Drill D**do-kun’, and ‘High-Girth-Head D**do-kun’, please!!!”
Sera-chan finished, gasping, “Hah! Hah!” with heaving shoulders. To make a young, innocent maiden repeat “D**do-kun” so many times—I am supremely satisfied!
I was too busy enjoying her expression to actually listen to the order, so I checked the slip and prepared the items. Of course, she yelled at me, “You could read it!” but I even enjoyed her anger as I handed over the goods.
”T-thank you for your business…. Please continue to favor us.”
”Yeah, thanks to you, too! Oh, and hey, if you ever personally want anything, Sera-chan, I’ll give you a discount, ya know?”
”Absolutely not!”
I ended with my usual teasing line, and she predictably spat out her rejection before quickly marching away.
—
Summary:
Following a strenuous product test involving the unique Tremble D**do-kun vibrator, shop owner Kento spoils his assistant Lily with affectionate requests before getting back to business. His focus shifts to expanding his line of adult magic goods, requiring new exotic materials like Metagu Stone fragments for mass production. The scene culminates in a hilariously humiliating transaction with Sera, the earnest merchant guild representative, who is forced to loudly recite an increasingly explicit list of aphrodisiacs and D**do-kun d**dos ordered by her secret, high-society clientele. Kento’s dual life—part fantasy merchant, part playful pervert—solidifies as his unique adult goods empire grows.
—
Character Insight:
Kento’s true joy lies not just in his Isekai magic shop’s success, but in the power dynamics of his relationships. His deep affection for Lily is shown in his willingness to cater to her every whim after their intense ‘experiments,’ while his professional teasing of Sera reveals his playful, dominant side. He deliberately uses his business to push her boundaries, finding immense, unadulterated pleasure in her embarrassment. This confirms Kento prioritizes his own unique satisfaction and the user’s enjoyment above any societal or corporate norms, reinforcing his unfiltered, self-serving perspective.
—
Behind the Scene:
This chapter establishes the next stage of Kento’s adult goods venture—mass production of vibrator variants. The order from the merchant guild’s higher-up for the erotic items is a significant milestone, confirming that Kento’s products are penetrating the high-society market, not just low-level adventurers. Sera, as the merchant contact, is used as a narrative device to inject comedy and contrast with Lily’s acceptance, highlighting the clash between Kento’s modern, explicit business and the world’s conservative, yet curious, public face.
—
T/L:
1 Tasogare Merchant Guild: ‘Tasogare’ means ‘twilight’ or ‘dusk’ in Japanese. A key detail for the world-building and a source of early misunderstanding. ↩
2 Akanashi Tree: Likely a fantasy plant name. Translating as ‘Akanashi Tree’ to retain the fantasy feel. ↩
3 Samon Mushrooms: Likely a fantasy-world ingredient, perhaps for a potion or drug. ↩
4 Pololo Snail: A fantasy creature whose shell is used for the magical vibrator mechanism. ↩
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”what_line_insert_for_image”: “When I opened the side door, there stood the usual, earnest-looking Sera-chan.
”negative_prompt”: “1man, male, beard, masculine, old_man, loli, shota, color, lowres, bad_anatomy, blurry, nsfw, ink, painterly, text, watermark, signature
”alt_prompt_1″: “1woman, solo, young_woman, pink_hair, blue_eyes, petite, in_bed, lying_down, blanket, exhausted, satisfied, messy_hair, cleavage, holding_a_man’s_hand, looking_up, soft_lighting, artist:pudding_a_la_mode, artist:hiten, monochrome, greyscale, masterpiece, best_quality, highres, absurdres, aesthetic, very awa, newest, 8k
”alt_prompt_2″: “scenery, fantasy_magic_shop, cluttered_shelves, counter, old_wood, glowing_potions, magic_scrolls, dust_motes, dim_lighting, bokeh, monochrome, greyscale, masterpiece, best_quality, highres, absurdres, aesthetic, very awa, newest, 8k”
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Notes:
• 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.
• Sera – A young, earnest salesperson from the Tasogare Merchant Guild, Kento’s supplier. She is characterized by her braided brown hair, large round glasses, and freckles. She’s serious about her job and easily flustered, especially by Kento’s adult goods business. Looks like Onodera from certain series.
• Kento – The owner of the magic tool shop ‘Harvest,’ which discretely sells adult goods. He’s a former overworked, ordinary salaryman from modern Japan who was suddenly transported (isekai’d) to this fantasy world. He has dark hair and an unremarkable appearance, typically wearing a plain, slightly suspicious-looking shop owner’s clothes looks like Kazuma Satou from certain series. He has a minimal amount of magic power, enough to craft his specialty items.
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Edited by Kanaa-senpai.
Thanks for reading.
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