Chapter 240 Drill Chin Unveiling*
Edited by: Kanaa-senpai
……Tester Life 104th Day, Holiday, Early Morning, Service Room, Sanada Yakumo……
”Aaaaaaaaah!”
”Fuu… She passed out, huh.”
In the end, Sheena was forced into climax and lost consciousness as the seeding drill chin press gouged deep into her p**sy.
She lay fainted on the carpet spread across the floor. Her legs were folded back in a manguri return, her most private parts completely exposed.
Still, the fourth shot came quick too. Thanks to Mana Capacity letting me instantly load the next round with no drop in volume, the pleasure stayed constant. Plus, my son’s sensitivity felt even better.
A slave with a crotch tattoo goes into forced orgasm the moment I c**m. But to Lana-no and the rest of Succubus Management, that is nothing but premature e**culation. To really satisfy them, it looked like I would need at least five shots without pulling out.
The pleasure at e**culation was so intense my brain felt like it was turning to mush. Still, this drill chin would be a powerful weapon for breaking Lanora. I needed to get her used to this Meiki p**sy somehow and make it last longer.
While thinking that, I wiped down the fainted Sheena’s body. I pulled on just my pants, then carried the completely naked girl in my arms and delivered her back to the room.
When I entered, Lunaria was already awake. She stood in front of the door in a negligee. She must have been worried since Sheena had not returned.
After seeing the naked Sheena, Lunaria twitched her nose. She seemed to understand exactly what had happened and stretched both arms toward me.
Figuring she wanted me to hand Sheena over, I passed the girl to her.
Bunn!
Goh!
”Ugu…”
Then Lunaria suddenly hurled Sheena onto the bed. Sheena rolled to the edge, smacked her head against the wall, let out a small groan, and fainted again.
Harsh…
My face twitched at the incredibly rough treatment. Lunaria approached me and twitched her nose once more.
Then she slipped off the negligee, lay back on the bed, peeled off her shorts, and spread her legs completely naked.
Her p**sy was already dripping and sticky with viscous love juices.
”What, you’re in heat?”
I asked, figuring she was reacting to my Mana Capacity or s*xual scent.
”I am a toilet… s**men toilet.”
Lunaria said that, then used both hands to spread her petals. She showed off her v**inal entrance opening and closing with sticky threads.
”I… I see.”
She’s extremely well trained. Still, thinking about when her sense of self returns is terrifying.
Carrying that slight unease, I channeled Mana Capacity into my balls.
My c**k instantly swelled, straining against my pants as if ready to tear through them.
Lunaria remained expressionless. Yet her p**sy kept overflowing with fresh love juice, one wave after another.
Good enough. Next I would test her with that single tongue of hers.
With a faint smile, I dropped my pants and revealed the drill chin.
”!? “
Lunaria’s eyes widened slightly at the sight of the drill chin right in front of her.
When I stepped closer, she scooted back a little on the bed.
”You were the one who invited me, Lunaria. Take it.”
Saying that, I grabbed both her legs, spread them wide, and thrust the drill chin inside.
* * *
”Ah, Yakumo. Were you using the toilet or something?”
”I was worried because you didn’t come back.”
When I returned to the room after making Lunaria faint, Kyoko and Moe were sitting naked on the bed.
”Actually…”
I explained to the two that while the testers were unconscious after being abducted, Succubus Management had messed with their bodies. That Rank Up causes physical changes. And because of that, my c**k had transformed as well.
I deliberately did not mention becoming a demon race. Unlike Sheena, who already knew about the dark elf precedent, these two might get scared. Even if I told them later, it could wait until horns or a tail actually appeared.
”Something like that happened…”
”We had crotch tattoos engraved on us while we were unconscious too, so it’s not strange if the guys had something done to them.”
”Yakumo-san, is your body okay? Does it… down there hurt or anything?”
”What kind of deformation? Did the head get even more pronounced or something?”
Moe looked worried about my body while Kyoko’s eyes sparkled with expectation.
Smiling wryly at the contrasting pair, I once again sent Mana Capacity flowing into my balls.
Then I slowly pulled down my pants.
”Eh!?”
”Wha!?”
”Seems like it’s become a c**k that makes women happy. Want to try it?”
”Ah… um, that…”
”Wh-what the hell is that c**k!? It’s a damn drill!?”
Moe’s face showed a hint of fear while Kyoko’s twitched but her eyes gleamed.
I pounced on the two with their completely opposite reactions.
Moe’s fear? It instantly turned to joy the moment I entered her. Must be the effect of complete Subjugation. And I learned that with Meiki quality at yuppo level, it could last quite a while. Still faster than before, though.
Kyoko was in pure ecstasy. The rough, bumpy Herring Roe Ceiling of her v**inal walls felt incredible, and I ended up c**ming faster than I did with Sheena.
Kyoko complained that she cums too quickly. But after four consecutive loads with instant recovery, the nonstop orgasms left her satisfied. In the end she was making an ahe face, staring at the ceiling and moaning “a~ u~”.
While Meiki has the downside of making me a quick shot, I was satisfied seeing the two of them even more messed up than usual.
Still, strangely, not much s**men was leaking from their pussies. That bothered me.
I had pumped a decent amount inside without pulling out, yet it was oddly little. Really mysterious.
Tilting my head, I figured easy cleanup was a plus. I left the fainted Moe and zombie-like Kyoko behind as I headed to the living room.
There, Sayaka was preparing breakfast by herself.
”Ah, good morning, Owner of the blonde Doll-sama.”
”Yeah, morning. Sorry, I ended up fucking Sheena and Moe and the others senseless from early morning.”
”Ara? In that case I’ll get Sanae to help.”
Sayaka smiled and headed toward the isolated island.
It seemed Sanae was doing her morning training.
I watched her back for a moment, then took a shower alone for the first time in a while.
When I returned to the living room, Sanae and Sayaka were preparing breakfast together.
While sipping the coffee Sayaka had brewed, I watched Feli and Lucy of the Green Wolves chasing each other on the beach.
Those two were still overflowing with energy as always.
Then Karen and Leticia woke up too. They gave me light kisses and headed to the washroom with sleepy faces.
Breakfast was soon ready, and I ate together with Sayaka and Sanae, plus Karen and Leticia.
Since I had told them Sheena and Moe were still sleeping in the room, the meal was quieter than usual.
Hm? My stomach fills up faster than before.
Is this another effect of Rank Up?
Tilting my head at getting full after only about two servings’ worth, I turned my gaze to the finished-eating Sayaka and the others to explain what happened last night.
”Anyway, the truth is I ranked up late last night. Reached C+ rank.”
”Wow! Congratulations, darling!”
”I was wondering when you’d finally do it since you weren’t ranking up at all.”
”Congratulations, Owner of the blonde Doll-sama. I’ll work hard to catch up too.”
”Well, it’s only natural for Yakumo.”
Karen, Leticia, Sayaka, and Sanae each offered their congratulations.
”So, last time I gained the ability to adjust my son’s sensitivity, but this time my son’s shape has changed…”
I gave them the same explanation I had given Moe and the others.
”Hmm, since it’s Succubus Management, they probably tweaked your body in that direction.”
”Did you get an eroge-style body?”
”It didn’t turn into two of them, right? That would be a hard pass.”
”Owner of the blonde Doll-sama… are there any other changes? You don’t feel unwell or anything?”
”Yeah, I’m fine. But my appetite—or rather, my stomach fills up without needing to eat as much as before.”
To Sayaka, who looked even more worried than Moe, I said that while staring at the leftover bread, meat, and salad.
”What could that mean…?”
”Hmm, maybe your body became more efficient?”
”I think you were just overeating before.”
”Probably, like Karen said, your efficiency improved, right?”
Until now I had been getting Mana Capacity from dungeon food. But with my body getting closer to demon race, that absorption efficiency got better? Something like that, probably.
”I hope that’s the case…”
Sayaka still looked concerned.
”Hey, hey, so what exactly happened with your c**k deforming?”
”I bet it became a magical c**k that can change size freely.”
The ever-curious Karen looked excited. Leticia had definitely read too many erotic manga. Was she really fourteen?
Sanae tried to look uninterested, but her eyes kept drifting to my lower abdomen.
What a closet pervert.
”Right. Showing you will be faster.”
I stood up, dropped my trousers and pants, channeled Mana Capacity into my balls, and got hard.
”Whaaat!? I-it’s twisted!?”
”Ooh~! It’s a drill!”
”Wha!?”
”Amazing…”
”Well, this is what it turned into.”
Karen reacted dramatically while Leticia’s eyes sparkled for some reason. Sanae and Sayaka stared at the drill chin in shock. I smiled wryly and showed it off to them.
”Y-you’re going to put that in? It looks kinda scary…”
”Feels like it’ll drill right through me.”
”Sheena, Lunaria, and Moe seemed to enjoy it.”
”Gulp…”
”So exciting…”
”Sc-scary, but it’s Yakumo’s… so I’m okay.”
”If Owner of the blonde Doll-sama wants it, then I…”
”Kukuku, I’ll let you all taste it from now on.”
With that, I took Sayaka’s hand and led her to the living room sofa.
Then, right in front of the watching Karen and the others, I let them experience the Drill-C*ck.
Well, midway through, Karen could not hold back and jumped in.
Naturally I creampied everyone enough to make them c**m hard but not faint.
They all seemed delighted. Sayaka moaned louder than usual, and Sanae was letting out beastly voices from the very start.
Leticia might have found the stimulation too strong. When I pistoned hard she could only say “o, o”.
But Karen really took a liking to it, screaming the whole time while bucking her hips.
Also, this became clear because Sanae had been using Mana Capacity for Physical Reinforcement during morning training. It seemed when I e**culated, Mana Capacity got restored.
When we tested by putting in one full Physical Reinforcement’s worth, she said she recovered about seventy percent of it.
From that, we learned that the sperm I create by channeling Mana Capacity into my balls gets absorbed by a slave’s womb and converted back into Mana Capacity.
That might be why so little s**men was leaking from Moe and the others, or Sayaka.
In other words, it was an ability called Sperm Mana Transfer.
If I loaded half my Mana Capacity into my balls and e**culated, I could instantly recover about seventy percent of what I put in. If I came deep inside and stayed there a while, I might recover even more. The wheelbarrow position could work well for that.
There are Mana Capacity recovery potions, but they are not instant. If Sayaka ran out, she could come inside the building and one shot should recover about half thanks to the rank difference. Usable in emergencies.
Still, between the drill chin and this ability to recover Mana Capacity through e**culation, I was becoming less and less human.
Well, at least horns had not grown yet.
Thinking that, I grabbed a beer from the fridge. While glancing sideways at Sayaka and the others sprawled out in the living room, I sat completely naked on the isolated island terrace.
As I sipped the beer, I watched Rock, Lucy, and Feli working together to attack.
Now then, today I think I will spend the whole day going around fucking them one by one.
Notes:
• Sanada Yakumo – Sanada Yakumo, 25, scarred veteran with a battle‑torn face, is a pragmatic Guard Captain and Nightmare Guildmaster. As Day‑100 Master/Tester he leads a harem of students and familiars through the 14th Stratum, commands a succubus‑filled dungeon, manages resources and Gacha pulls, lives in a modern “My Room,” and serves as Coach/Sensei. He wields Mana Capacity and hunts races via his “Wall‑Butt” activities, acting as household Master and tactical guide.
• Yakumo – Sanada Yakumo, a 25-year-old scarred veteran and ex-child soldier, is the pragmatic Guard Captain, Nightmare Guildmaster, and dungeon master who recently ranked up to C+, gaining the ‘Drill-Cock’ ability to convert mana into stamina and semen. His battle-torn face and hardened demeanor mask a strategic mind that leads a harem of students and familiars through the 14th Stratum, manages dungeon resources, Gacha pulls, and oversees the Tester Program (Day 99), all while residing in his modern-styled “My Room.”
• Sana – Black ponytail, hooded/sharp eyes, kyudo practitioner, average height.
• Sheena – Rabbit-kin woman, 165 cm, fluffy tail, narrow waist, wide hips, F/G-cup, white pubic hair, clad in black negligee; former slave and the protagonist’s First Concubine and “Second Wife,” fiercely devoted to him, restoring her ego through unwavering loyalty and testing his new physical limits. Cool, mature, sharp-tongued, cold to the weak, ears twitch when happy; agile, thick-skinned, carrot-loving, wields magic and a Fire Arrow scroll. Sadistic toward Lunaria, once known as the Flash-Step Decapitator of the Nightmare Guild.
• Lanora – The brown-skinned elder sister succubus with white hair.
• Lunaria – Silver‑haired Silver Wolf‑kin Princess, now a soulless doll, bears wolf ears, tail, and a black dress; once Sheena’s master, she retains regal bearing despite loss of ego. Currently in maid training, she wears a white negligee and possesses a unique “Giant Single Tongue” trait.
• Kyoko – 180 cm tall, slender, curvaceous athletic build with long legs and rocket‑shaped upturned breasts (large pale‑brown areolas, Lust Level S). First‑rank student, silver‑medalist athlete/model, housework slave; high G‑Rank stamina, proactive in the bedroom. Mischievous, teases Yakumo, blushes when roles reverse, constantly gazes at him. Assertive combat skill, clumsy with chores, recently hit a high‑disarray intimacy state.
• Moe – Middle‑aged, gentle‑faced slave and Chief Slave Adjunct, he wears an apron and runs the household, cooking breakfast and handling chores before dawn. Warm and caretaker‑like, he serves as a teacher‑figure to the students and shares an intimate bond with Yakumo.
• Sayaka – Seventeen-year-old premier beauty of the academy with blue short boyish hair and an E-cup figure, Rank 1 Slave, she swims and manages the Magic Pouch—while caretaking Yakumo with meticulous devotion, brushing his teeth and observing gacha mechanics with uncanny luck, calling him “Master.” A grounding senior who scolds younger girls for sloppy chores and shoes, she’s Sanae’s best friend and the household’s mature mediator, balancing authority with quiet compassion.
• Sanae – Tall, model-like with sharp features, hooded eyes and a black ponytail, she’s a C-cup 1st-Rank Slave and vice-captain of the Archery Club, kyudo-skilled. Called Nijyuuki, Sayaka’s best friend, teased for luck yet pulls a rare gold capsule from the Gacha. A member of Yakumo’s household, energetic and fond of teasing Sheena.
• Feli – A female green wolf, tamed by Leticia and appearing large and dog‑like with green fur, is a wolf‑girl who behaves like a dog, jumping and hopping for attention.
• Lucy – She is a female kobold familiar that resembles an American Eskimo Dog, evolving through stages: as a Kobold Thief she stands 140 cm tall with sturdier, leaner limbs, a cute face, and a tail that wags when happy; later she transforms into a Kobold Rogue Queen, 170 cm tall, slender yet muscular, of D‑Rank. She is also a member of the group participating in the Gacha Tournament excitement.
• Leticia – A cloaked, weary traveler clutching yesterday’s low‑roll Gacha token, muttering “I’m sorry, but I can’t help with that,” yet steadfast; a thrill‑seeking gambler hunting the High Heal Magic Tome, also a Holy Maiden of the household, empathetic and kind, and a core‑group member.
• Karen – Busty, lively American senior and voice-acting major known as ‘Karen of the Flame Gun,’ she dashes to class with bread in mouth, radiating charm and boundless energy as a core member of the protagonist’s group. Daughter of a soldier, she’s the upbeat MC of Gacha events, hyping pulls with music, helping in the kitchen, and setting narrative flags. A passionate FPS and zombie tale fan, she explores dungeons for loot, relaxes at sea with Lucy, and is deeply expressive and supportive—always lifting others with her fiery spirit and infectious enthusiasm.
• Rock – A male Kobold summoned from a Magic Sealing Crystal. He has grey fur, round eyes, and a face resembling a Shiba Inu. He wears a leather jacket and a pilot’s cap
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Edited by Kanaa-senpai.
Thanks for reading.
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