Volume 1 Chapter 66 Interlude: Rin-sensei’s Spence’s Tail Pressure Point (①)
Edited by: Kanaa-senpai
”Welcome, Kanade-kun.”
”H-h-yes…”
I was more than a little nervous. As for where exactly I had ended up-I was at Rin-sensei’s home. It was the faculty housing, a separate complex on the academy grounds from the student dorms. Rin-sensei lived in one of the private suites. Naturally, just catching a glimpse of the foyer told me it was far more upscale than the cramped quarters we had back at the student dorm.
”Pardon the intrusion, Rin-sensei…”
”Oh, come on in!”
There wasn’t exactly a rule forbidding students from the faculty dorms, but under normal circumstances, a professor’s private room wasn’t somewhere a student would ever set foot.
Especially not when the woman standing right in front of me was Ichigaya Rin-sensei-a woman famous for her lush, curvaceous body and breasts as soft and yielding as a slime.
She was easily one of the most popular instructors at the academy for a dozen different reasons, and I was currently stepping into her private sanctuary. My heart hammered against my ribs, the rhythm loud enough to echo in my ears.
”Sorry it’s such a mess. I’ve always been terrible at tidying up,” Rin said with a playful tilt of her head.
She guided me toward the living room, but the place didn’t actually look that cluttered. It wasn’t as clinical as Mana’s room-she was a perfectionist-but for a guy like me, I’d say it was perfectly well-kept.
The only thing that really caught my eye was a scrap of navy-blue fabric dropped carelessly on the sofa. If I wasn’t mistaken, that was a piece of equipment designed to cover Rin-sensei’s most intimate areas. As a healthy boy my age, I naturally found my eyes glued to it.
”Ah! S-sorry… I was just in the middle of putting away the laundry,” Rin said, her face flushing as she quickly snatched up the lingerie.
Given her usual provocative aura, I wondered for a split second if she’d left it there as a little tease for me, but it seemed it really was just an accident.
Speaking of her underwear… I still had those black panties I’d received from her before. I kept them tucked away safely in my room. Truthfully, I probably should have brought them back to return them today, but when I was leaving my room earlier, I just couldn’t bring myself to let them go.
”Now then, let’s get the business out of the way first. Come on, Kanade-kun, sit right here.”
I followed her lead and sat on the living room sofa. Rin-sensei moved with practiced grace, quickly preparing some tea and snacks. She might have a reputation as a “femme fatale,” but in moments like this, she really carried the air of a mature woman.
Once everything was ready, Rin-sensei sat down beside me. She pressed her soft, heavy body right up against mine, leaving no space between us. My heart gave a violent throb, but I did my best to maintain my composure as I looked at her.
”Actually, I went and had a talk with Tanaka Mana-san, Matsuyama Minami-san, and Izumi Haruka-san from your party. And as for the result of that chat…”
”The result of… talking with my party?”
”Yep! There’s no point in dressing it up, so I’ll just be blunt. I’ve officially been cleared to join Kanade-kun’s harem party! Yay! Clap, clap, clap, clap!”
Rin chirped the words while actually applauding with her hands. She looked adorable, but I couldn’t quite wrap my head around what she was saying.
”What do you even mean by a ‘harem party’?”
”Oh, honestly! Kanade-kun, you’ve already used that Pressure Point on all three of them-Mana-san, Minami-san, and Haruka-san-haven’t you? And you have to deal with the side effects afterward. No matter how you look at it, that’s a harem party if I’ve ever seen one.”
”I… well, when you put it that way…”
It was exactly as she said. I had ended up doing all sorts of things with those girls after their bodies reacted to the Pressure Point. I’d finally gone all the way with Mana, and I’d even had anal s*x with Minami-chan.
I hadn’t done it with Haruka-san yet because the timing never quite lined up, but I knew as soon as the opportunity arose, we’d end up in that kind of relationship, too. Even without that, I was constantly doing things that were basically s*x anyway. It was hard to deny the “harem” label.
That much was fine, but…
”Wait, you’re joining it?! You, Rin-sensei?!”
”Mhm. Once a girl knows what it feels like, there’s no way she can ever forget those fingers of yours. I knew you prioritized the girls’ opinions, so I went to talk to Mana-san and the others first. It turns out they were already planning to talk to me anyway, and they were quite open to the idea of me joining. Everything was settled in no time. The conditions were simple: keep any suspicious women away from Kanade-kun, keep several of your abilities a total secret, and if I want to try any new erotic acts, I have to get permission from the first three members. That was about it.”
So that was the deal. For me, the idea of being able to use that Pressure Point on a beauty like Rin-sensei again was a dream come true, and if Mana and the others were okay with it…
”Does that mean from now on, I’ll be doing the Pressure Point on Rin-sensei regularly, and… you know…”
”Mhm. And to be honest, since I hardly ever dive into the dungeons anymore, I’m actually more interested in the side effects. It would have been a disaster if Kanade-kun graduated and I could never taste those fingers again. I’m just so glad Mana-san and the others accepted me.”
Rin-sensei licked her lips and stared intently at my fingers. It was incredibly erotic.
”If possible, when those side effects have my p**sy feeling at its absolute peak… I want you to take that c**k of yours and just… absolutely ruin my p**sy with it. Hehe, what do you think?”
Faced with such a direct, carnal invitation, there was no way I could say no.
—
Summary:
Kanade visits Rin-sensei’s faculty apartment, where he discovers she has already negotiated her entry into his party with Mana, Minami, and Haruka. Rin explicitly admits her desire for his pressure point techniques and the resulting sexual side effects. The chapter concludes with Rin officially joining the ‘harem party’ under specific conditions.
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Trivia:
- Kanade still possesses Rin-sensei’s black underwear in his dorm room.
- Mana, Minami, and Haruka had already planned to talk to Rin about her joining.
- One of the conditions for joining is obtaining permission from the first three members before any ‘new erotic acts’ occur.
- Rin-sensei rarely dives into dungeons anymore, making her interest in Kanade purely based on the side effects
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Character Insight:
Rin-sensei shows a high level of proactivity and maturity by handling the diplomacy with the other party members behind Kanade’s back. Kanade remains passive, driven primarily by his physical reactions to the women around him.
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Lore And Worldbuilding Context:
The ‘Spence’s Tail’ mentioned in the title refers to an extension of the tissue of the breast that extends into the axilla (underarm), indicating a specific medical/anatomical focus for the pressure points.
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Glossary:
Notes:
• Kanade – Small‑statured academy student with a unique ‘Pressure Point’ cheat skill. As a Vital Point Master he manipulates tenketsu for defense, augmentation and touch‑based buffs, shielding Mana. He shares a close bond with Minami, trains to clear Phase One, and, a virgin, experiences his first sexual encounter with Mana, triggering erotic side‑effects that force him to flee her advances.
• Rin – Voluptuous, soft‑type instructor in a crisp white lab coat, massive‑physiqued high‑ranking appraisal officer and academy teacher. She mentors students, was the first to sense Kanade’s skill effects, and uses her mature, seductive charm—while wrestling a complex over her inverted nipples and large areolas—to fluster him.
• Ichigaya Rin – An academy instructor and middle‑rank Dungeon Explorer, she sports bright brown hair, a white lab coat over a skirt and shorts, and a voluptuous figure. Known for sharp intellect, combat skill, and commanding respect, she recently negotiated entry into Kanade’s party.
• Mana – Kanade, Class President and one of the Four Heavenly Kings, wears a long black ponytail, glasses, and immaculate armor with bracers and leg guards. A Sage‑job wielder and Dungeon Energy Master, she’s a student‑ally of Hirosawa, trains the protagonist in close‑quarters combat and pressure‑point techniques, gives him restorative liquid, and—being his top‑favorite virgin—provides the sexual release that counters aphrodisiacs, while helping catch the intruder.
• Matsuyama Minami – Minami, also called the ‘Loli Princess,’ is one of the Four Heavenly Kings. She has a petite, doll‑like, childlike face and a flat physique. As a Light Warrior with elite dual‑wielding skills, she serves as a Dungeon Explorer despite an extreme phobia of pain, determined to stay in the role. She is an idol‑like figure within the group.
• Izumi Haruka – Izumi Haruka, a beautiful and androgynous girl called “The Prince” among the Four Heavenly Kings, bears severe burn scars from a Slime Acid Bullet and experiences side‑effects of Hirosawa’s skill. She is a trusting classmate, friend of Mana, healed by Kanade, currently hospitalized. She calls herself “boku”, has a large bust second only to Higuchi, works as a 3rd‑floor Priest, and is being stalked.
• Tanaka Mana – Class President, a serious, neat beauty with long hair, glasses, and a black ponytail, refined and disciplined, high agility, elite close‑quarters combat skill. She practices martial arts, shows a sadistic competitive side, and is currently dating soccer ace Kosaka, though recently dumped and depressed, feeling worthless like a house centipede.
• Haruka – Izumi Haruka, known as “The Prince” for her androgynous beauty and gallant demeanor, is a 3rd-floor Priest who wields a mace and uses Perception Enhancement, excelling against spirit-type monsters via Divine Imbuement. She bears severe burn scars from a Slime Acid Bullet and suffers lingering side effects from Hirosawa’s skill, which trigger a complete loss of her composure when exposed to his scent—fueling a hidden obsession with his aroma. Second only to Higuchi in bust size, she uses “boku” and is a trusted classmate and close friend of Mana. The primary victim of Kosaka’s stalking, she was recently hospitalized after a violent encounter with the protagonist, still under surveillance. Though kind and composed, she feels excluded from the protagonist’s special treatment, her once-steady persona now fractured by trauma and scent-induced vulnerability.
• Minami – Minami‑chan, the petite ‘Loli Princess’ of the Four Heavenly Kings, sports blue twin‑tails, a fluffy‑skirted dress exposing symbol‑marked cotton underwear and rope‑bound panties, and an eye mask. Flat‑figured, dual‑sword wielder, she leads the party’s speed, trains the protagonist in evasion, and seeks Kanade’s pain‑training. After clearing Phase One with Stamina‑Enhancement pressure points, an explorer’s ‘Sky‑Ripping Slash’ teased her exposed underwear, now a benchmark for offensive power. A close‑quarters dual‑wielder, she openly teases Kanade.
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Edited by Kanaa-senpai.
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