Chapter 66 Magic Erotic Girl Sayaka*
Edited by: Kanaa-senpai
To purchase gear for Sayaka-san, I sat down before the Magic Crystal¹ and pulled up the Shop interface.
I could feel Sayaka-san’s expectant gaze from beside me and Sheena-san’s icy presence at my back. I stared at the screen, lost in thought. What kind of combat style would actually work for Sayaka-san?
I could have her study a martial arts manual to learn the sword or spear, but I dismissed the thought immediately. Putting her on the front lines was out of the question.
Maybe a bow? If she could master it, she’d be a huge asset.
The problem was that those manuals only provided the barest foundations. At best, she’d learn how to hold the thing and hit a stationary target. I seriously doubted she could tag a fast-moving Horn Rabbit² or a Kobold. Worse, I’d have to worry about friendly fire.
”Hmm… maybe magic is the way to go?” I muttered to myself.
Sayaka-san’s eyes sparkled as she leaned in.
”Have you already been thinking about how you want to fight?” I asked her.
”Yes,” Sayaka-san replied. “Since I don’t have any real combat experience, I thought I’d be most useful providing support from the rear. I’ve always felt a certain affinity for water, so I was hoping I might be allowed to learn Water Magic.”
”I see. That makes sense-you were in the swimming club, after all,” I said. “So, we’re going for the ‘Magical Girl’ route then?”
”Eh? Ah, I didn’t mean it like that! It’s just… I just wanted to be as helpful as possible, Master!” Sayaka-san cried out.
Her face turned a brilliant shade of crimson as her hands fluttered in a flustered panic. A smirk escaped me.
”Heh, I know. I’m just teasing you,” I said.
”Geez! Master, you’re being mean!” Sayaka-san pouted.
”Haha, my bad. Alright, let’s look into Water Magic,” I replied.
Ignoring her adorable, puffed-out cheeks, I scrolled through the list of grimoires.
—
[Magic Books]
. Earth Attribute Magic
- Sand Ball: 30,000 DP
- Earth Wall: 30,000 DP
. Water Attribute Magic
- Water Ball: 30,000 DP
- Water Wall: 30,000 DP
. Fire Attribute Magic
- Fireball: 30,000 DP
- Fire Wall: 30,000 DP
. Wind Attribute Magic
- Wind Cutter: 30,000 DP
- Wind Wall: 30,000 DP
. Light Attribute Magic
- Light: 30,000 DP
- Heal: 50,000 DP
- Cure: 50,000 DP
. Special Attribute Magic
- Mana Capacity³ Detection: 100,000 DP
—
”Water Ball or Water Wall…?” I mused.
I wanted to give her both, but I still had to buy her armor. Besides, there was always a chance she’d be too traumatized to keep fighting after her first real encounter.
Better to start with Water Ball. I wasn’t sure of its exact output, but it would work as a deterrent at the very least. As for defense, I planned to be right by her side anyway-and she wouldn’t rank up by just hiding behind a wall.
I purchased the Water Ball manual.
A moment later, a blue grimoire materialized atop the stone pedestal. Its cover featured intricate geometric patterns centered around a shimmering orb of water. I picked it up and handed it to her.
”Just open it and you’ll learn the spell. It’ll burst into flames once you do, but it’s magic fire-it’s not hot, so you don’t have to worry about burns,” I explained.
”Right… So this is a magic book…” Sayaka-san whispered.
She stared at it with wide-eyed curiosity. Taking a deep breath, she peeled back the cover. The book erupted into ethereal flames; she flinched for a second, then watched with wonder as the book dissolved into particles of light within her palms.
”Alright, it’s done. Try searching your memory for the spell,” I said.
”Y-yes… Oh! It’s really there! I just… move my hands like this… and call the name? I think I’ve got it,” Sayaka-san said.
She closed her eyes, practicing the gesture by thrusting her hands forward before looking back at me.
”We’ll test the magic tomorrow. Next up is equipment,” I said.
I navigated to the Weapons & Armor page, pulling up the list of female gear I’d bookmarked.
The female version of my Gray Wolf leather armor was there-the same set but dyed a bright orange for 40,000 DP. If I paired that with leather trousers and a forage cap… yeah, she’d look like a complete dork.
There were black iron breastplates too, but they had terrible coverage and were incredibly heavy. Those were definitely meant for high-rankers. More importantly, they looked incredibly cramped in the chest. Were these things designed exclusively for C-cups?
I see how it is, I thought. If you want comfort and protection, you have to pay for the ‘Magic Armor.’
It felt like the Shop was baiting me, but I scrolled to the Magic Armor section anyway. A list of leather outfits-mostly bikini armors and high-leg leotards-filled the display.
That crotch zipper is still as erotic as ever, I noted internally.
”Eh?”
A small gasp came from beside me. Sayaka-san was staring at the bikini armor on the screen, her eyes wide. I couldn’t blame her. It looked like something straight out of the fantasy RPGs she probably played.
”Sayaka-san, this armor is enchanted. It adjusts its size automatically to fit. Any skin left exposed by the leather is protected by a film of Mana that deflects attacks,” I explained.
”Such a thing exists…? But it’s 100,000 DP! Honestly, Master, I’d be fine with the cheapest thing you can find,” Sayaka-san said.
”Nonsense. This is your life we’re talking about. I’m not compromising on your safety,” I told her.
It was a steep price, but Sayaka-san was irreplaceable.
”To think… that I’m that precious to you… Um… it makes me very happy. Thank you, Master,” Sayaka-san said softly.
”Don’t mention it,” I replied.
I gave her a small smile as she blushed. Since she was going the magic route, I selected the leather leotard set.
Immediately, a “Frequently Bought Together” prompt popped up, suggesting a set containing a hat, boots, and a cloak. The hat was a classic pointed witch’s hat, and the boots were sleek, over-the-knee black leather. The cloak was expansive, embroidered with fine designs. Aside from the boots, everything was a matching, deep magical blue. It looked undeniably cool-the quintessential ‘Mage’ aesthetic.
Apparently, the leotard was indeed gear for casters; wearing the full set even provided a defense bonus. The total came to 120,000 DP. It was a better deal than buying them separately, though I didn’t even see the option to do so.
Clever bastards, I thought, hitting the “Buy” button.
The pedestal glowed, and the new gear appeared.
”Sayaka-san, go ahead and try it on. Ah, just so you know, this set is designed to be worn without anything underneath,” I said.
Given the zipper in the crotch, it only made sense. You couldn’t exactly strip out of a full leotard every time you had to go in the middle of a dungeon. Wait, I can’t expect a girl to just go out in the wild, I realized. I’ll need to buy a small tent and a portable toilet for her later. Thank god for the Magic Pouch⁴.
”Eh? A-ah, yes!” Sayaka-san stammered.
She gathered the armor and boots, looking toward the bedroom. But I reached out and caught her arm.
”Change here,” I commanded.
”…Yes, Master,” Sayaka-san whispered.
Though she looked deathly embarrassed, she nodded. She began to pull off her loungewear-the short pants first, then her sleeveless top.
I felt a sudden chill on my back and glanced around. Sheena-san was staring at me. I could have sworn she was calling me a “pervert” with her eyes. I quickly looked away.
Sheena-san let out a long, audible sigh, but then stepped over to Sayaka-san’s side to help her into the complex armor.
I watched, my throat going dry and my crotch tightening, as Sayaka-san stood there completely exposed. Her face was a deep crimson as she stole occasional, shy glances at me while she dressed.
God, she’s perfect. There was something incredibly erotic about a woman’s modesty. It was a world of difference from a woman who walked around naked all day, or some junkie spreading her legs while high on drugs.
When Sheena-san finally finished fastening the last of the straps, I let out a breath of pure admiration.
”Wow… It really suits you, Sayaka-san. You look beautiful,” I said.

Standing before me was a stunning young woman in a deep blue, gold-trimmed leotard and a matching pointed hat. From my vantage point on the chair, the zipper at her crotch was tantalizingly visible.
”Th-thank you… But it’s so revealing… I’m so embarrassed…” Sayaka-san said, hurriedly pulling the heavy cloak around herself to hide her lap.
”Just think of it as a swimsuit,” I reassured her. “It’s not so bad. If we’re in public, you can just keep the cloak closed.”
”I… I suppose you’re right. A swimsuit… and the cloak is quite big, so… yes,” Sayaka-san said.
She let out a sigh of relief as she buttoned the cloak, finally feeling a bit more covered.
Looking at her, I couldn’t help but wonder: with this much skin exposed, did this “armor” actually offer any protection at all?
And that zipper at her crotch-did it even open wide enough to actually be useful?
Well, there was only one way to be sure.
I rose from my chair and began undoing the buttons of Sayaka’s cloak.
With a fluid, practiced motion, I pressed my hand against the Crotch Crest⁵ glowing through her leotard and flooded her lower abdomen with my Mana Capacity⁶.
”Wait… ah! Ahhh! Master… huff, huff… what are you doing…?” Sayaka asked, her voice trembling.
The magical induction of her heat was instantaneous. Sayaka’s cheeks flushed a deep crimson as she crossed her arms over her chest, her knees knocking together as she shook, looking up at me with pleading, watery eyes.
I silenced her with a kiss, our tongues tangling as my hand reached down to her crotch, slowly sliding the zipper open.
I traced the line of her damp petals with my fingertips, finding her clitoris and beginning to tease it.
”Mnh… nchu… ah! Not there… annh… not like this… not in this outfit…” Sayaka whimpered.
The shame of being fully armored yet completely exposed at her s*x, with my fingers toying with her most private depths, clearly overwhelmed her.
Unable to resist any longer, I hooked my thumbs into the top of her leotard and yanked it down, baring Sayaka’s breasts to the air.
They spilled out with a luscious bounce; I kneaded one firm globe with my palm while my other hand continued its relentless caress of her wetness.
Suddenly, Sheena was behind me. She reached for my waistband and dragged my sweats and underwear down in one motion.
She reached around, her small hand firmly gripping my throbbing erection, and began a rhythmic stroking while pressing her soft chest against my back and trailing her tongue along the shell of my ear.
”Oh, yes… that’s it, Sheena,” I said.
The sensation of her tongue in my ear sent shivers racing down my spine, but I didn’t let it distract my fingers from ravaging Sayaka’s p**sy.
”Ah… nh-fu… mnh… churu… Master… it’s so embarrassing… annh… but right there… it feels so incredible…” Sayaka moaned.
Despite her blushing face, Sayaka grew bolder, her tongue darting out to meet mine in a desperate dance.
Behind me, Sheena’s tongue pushed deeper into my ear canal as her hand quickened its pace.
My arousal hit the breaking point. I withdrew my fingers, hoisted one of Sayaka’s legs over my shoulder, and ground my slick length against her swollen petals.
”Ah… you’re rubbing it… Master… please… I need it now… your big, hard c**k… nnh, hah… please put it inside Sayaka’s filthy p**sy!” Sayaka cried out.
”I’m at my limit too. Take every bit of it,” I replied.
Responding to her plea, I drove my hips forward, burying my entire length deep into her v**inal canal in a single, heavy lunge.
”Ahhh! It’s inside… Master’s c**k is… it’s so huge… it feels amazing!” Sayaka gasped.
”It feels incredible, Sayaka. You have a perfect little p**sy, just the way I like it,” I said, leaning in.
I took her breast into my mouth and swirled my tongue around her stiffening n**ips, all while hammering into her in a brutal, standing rhythm.
”Ah! Ah! I’m so happy… use me… nnh… use me whenever you want… n-ah… Sayaka’s p**sy… ah! Nnh! Master… it belongs only to you!” Sayaka screamed.
”That’s right. My own personal Meiki⁷. Guh… keep going, Sheena,” I grunted.
As I fucked Sayaka, Sheena continued to work from behind, her hand sliding down to my balls to knead them firmly.
At my praise, Sheena dropped to her knees, moving between my legs to swirl her tongue over my scrotum.
I felt a sharp jolt of pleasure.
The combination of Sayaka’s p**sy-which seemed to tighten the deeper I thrust-and the sensation of Sheena’s mouth suctioning around my balls sent my seed racing up the shaft.
”Damn it, Sayaka… I’m going to blow!” I yelled.
”Yes! Do it! Give it to me! Fill Sayaka with Master’s seed!” Sayaka pleaded.
I threw myself into a final, frantic spurt of motion, pulling Sayaka into one last, violent kiss as our tongues fought for dominance.
Reaching the point of no return, I buried myself to the hilt and erupted deep against Sayaka’s womb.
The heat surged out of me in heavy, pulsing waves.
Sayaka’s body bucked as the fluid hit her.
The sheer force of my e**culation hitting her cervix sent Sayaka into a forced, body-wracking climax. Her body stiffened, her mouth locked open against mine in a silent scream of ecstasy.
I didn’t care about the strings of saliva stretching between us; I just kept feasting on her tongue as the waves of s**men continued to pour out of me.
During that time, Sheena kept milking my balls, ensuring every last drop was driven home.
Finally, after squeezing out the very last bit, I slowly withdrew my length from her twitching walls.
A slurry of my cream and her own juices, dragged out by the head of my c**k, splashed onto the floor with a wet, heavy sound.
Sayaka’s legs gave out, and I caught her, laying her back onto the sofa.
There she was-the noble magical girl, her armor still on but her leotard pulled aside, her p**sy exposed and dripping with a thick, white mess.
Perfect. I definitely made the right call with this gear.
Seeing her so utterly ruined and debased brought my c**k right back to life.
”Sheena. Get your dress up,” I commanded.
”Yes, Master,” Sheena said softly.
With a blank, robotic expression, Sheena hiked up her dress to reveal her lingerie.
Today, she was wearing a pale blue, sheer lace bra that left her nipples clearly visible, and a matching translucent G-string that showed every strand of her pubic hair.
I reached out, pressed my palm to the Crotch Crest pulsing on her belly, and flooded her with Mana.
Sheena gave a sharp, involuntary jolt as the heat took hold. I grabbed her leg, shoved her panties aside, and drove my raging c**k into her.
I hammered into her without mercy, kissing her deeply as the only sound in the room was the rhythmic slap of skin and her muffled, breathless moans.
I moved to her breasts, devouring them as I ramped up the intensity, finally burying myself deep within her and filling her to the brim while we shared one last, soul-crushing kiss.
—
Summary:
The protagonist decides on a combat style for Sayaka-san, settling on Water Magic due to her background in the swimming club. He purchases an expensive set of ‘Magic Armor’ for her, which takes the form of a revealing leotard. Despite her embarrassment, Sayaka-san is moved by his investment in her safety.
The protagonist tests the functionality and ‘defensive’ capabilities of Sayaka’s revealing armor. By activating a magical ‘Crotch Crest,’ he induces a state of intense arousal in her, leading to a s*xual encounter. Sheena joins in to assist before being commanded to undergo the same magical induction and penetration.
—
Trivia:
- Magic armor uses a ‘Mana film’ to protect skin that isn’t covered by physical leather.
- The protagonist specifically noted that standard armor is ill-suited for girls with larger than C-cup busts.
- A set bonus exists for wearing the full mage outfit (hat, boots, leotard, cloak).
- The protagonist realizes he needs to buy sanitation supplies for her like a portable toilet
- The armor has a functional zipper at the crotch.
- Mana Capacity is used as a fuel to trigger the magical symbols on the girls’ bodies.
- Sheena remains expressionless and robotic throughout her participation.
- The Crotch Crest is located on the lower abdomen.
- Sayaka is referred to as a ‘noble magical girl.
—
Character Insight:
The protagonist shows a mix of pragmatism and perversion, choosing armor that is both high-spec and visually stimulating. Sayaka-san’s loyalty deepens as she interprets his high DP expenditure as a sign of her importance to him.
—
Behind the Scenes:
The ‘leotard with a crotch zipper’ is a common trope in adult-oriented dungeon crawler web novels, designed to balance ‘game logic’ with erotic accessibility.
—
TL Notes:
Notes:
• Sayaka – The academy’s premier beauty and a member of the swimming club. Currently classified as a Rank 1 Slave. She is seventeen years old and a virgin. E-cup. She has blue, short, boyish hair. Her best friend is Sanae.
• Sheena – Beastman Soul-less Doll with rabbit ears and a large chest. Flawless face, approx 165cm height, F or G cup, narrow waist, large hips, and a fluffy tail longer than a rabbit’s.
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Edited by Kanaa-senpai.
Thanks for reading.
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