The Dark Nun's Aptitude
I immediately began teaching Reika the basics of Black Magic. Since my only real experience in "teaching" had been showing Buril how to work or train, I was a bit lost at first, but I managed to figure it out as I went along.
It was all because my Demonic Power had already permeated Reika’s core. Because I could sense my own familiar energy flowing through her, it was possible to read her internal state and guide her control.
With my hand pressed against her back, I directed the flow of her mana and instructed her to release it outward.
Reika followed my instructions perfectly, moving the mana within her body with ease.
—Whoosh.
After about thirty minutes, she successfully emitted a small flame from her fingertips. Wait, what?
"Wait? You succeeded already?"
"What?"
"How did you do that?"
"What are you talking about? You’re the one who told me to do it."
She looked at me with a puzzled expression.
"No, that’s supposed to be difficult..."
"This is difficult?"
Reika tilted her head, looking genuinely confused. She was better at this than I thought. I never expected her to succeed the moment I taught her.
"Wow."
What the hell?
Is it because she had experience wielding Holy Power that she could pick up new things so skillfully? I finally understood why companies looked down on entry-level applicants. Experienced workers really are the best. If I were in their shoes, I’d only hire experienced people too. Seeing this, I could finally imagine how frustrated Carti must have been with me. I had been so incredibly slow to grasp these things.
I suppose that, given her lewd nature, she was always better suited to be a Dark Nun than a regular one.
"Anyway, Sister Reika. Being fast is a good thing."
"You bastard, you just said this was difficult, didn't you?"
Reika glared at me, her voice laced with thorns. She must think I'm a complete idiot.
Damn it.
"Yes... well, that is true."
"Was it because you couldn't even do this simple thing that you were looked down upon in the Demon Realm?"
"No, that’s..."
"I'm asking you if that's the case."
To be specific, it was a bit more complicated than that, but if you looked at the conclusion, she wasn't entirely wrong. The bottom-tier demon, Qlus, really couldn't do anything.
"...That's pretty much it."
I answered after a pause, feeling a bit ashamed.
"Hmm."
Reika’s eyes narrowed as she looked at me. It was a look that seemed to be observing something pathetic, and I couldn't stand it.
"What’s with that look, Sister Reika?"
"..."
"Even so, I am your superior. Please stop looking at me like that."
As I said that, Reika’s eyes softened... What was this? Lately, Reika hadn't been sending me hostile glares. Sometimes, she just looked at me as if I were something trivial or pitiful...
"If you have something to say, say it! Sister Reika!"
"No. It's nothing."
"Do you want me to poke you with my finger?"
"Are you not going to teach me Black Magic? Shouldn't you focus on the work you're doing right now?"
"No, that's..."
Her logical rebuttal left me no choice but to lower my raised finger.
"Instead of threatening me with... that... wouldn't it be more helpful to you to just do what you can?"
—Swoosh.
Reika turned her head and muttered that under her breath.
"What? Sister Reika? What does that mean?"
Her attitude was definitely different.
"What?"
"Are you... worrying about me?"
"It's just that you're so pathetic that I can't stand it if I don't say something."
"Ah."
"Every time I see you... my blood boils. So just shut up and do your job."
"Yes."
Anyway, she was right. Now that Reika had horns on her head, she was likely concerned about her own safety—and by extension, the safety of this dungeon.
I continued to teach Reika Black Magic.
"Dark Bolt."
—Boom!
Amazingly, in just one hour, Reika succeeded in firing a Dark Bolt... Truly, she was the real demon, not me.
"A-again. Try it again."
"Dark Bolt."
—Whoosh.
Purple flames erupted from Reika’s hand, and then—
—Zip.
It condensed into the size of a baseball and flew toward the wall. The speed was quite fast, and the moment it collided with the wall—
—Boom!
A small explosion occurred, and flames erupted.
"Learning offensive Black Magic this quickly..."
"I get the gist of it. Should I teach this to Irene and Liza now?"
"Yes... please do that. It would be better than me doing it. Anyway, let's stop here for today."
Had she really mastered a piece of Black Magic already? No. Was every demon like this? Damn it. While teaching her, I tried firing a Dark Bolt myself.
—Pfft.
It flew crookedly like a drunken firefly before fizzling out on its own.
It seemed I didn't have much talent for Black Magic.
"Are we done? So I should go sleep now?"
"We have work to do tomorrow, so we must sleep. Well then, Sister Reika. Thank you for your hard work. You can teach the other sisters tomorrow."
As I greeted her, intending to head in immediately—
"Hmm."
Reika’s eyes narrowed again.
"Why again? Do you have a complaint?"
"No. Nothing."
Reika answered as if she were annoyed and naturally began to stretch.
—Swoosh.
She moved her left arm to the right, using the inside of her right wrist to press firmly just below her shoulder. It looked like a very natural stretch, but when a woman with large breasts like Reika did it, her breasts were naturally compressed.
"..."
Seeing that, I couldn't take my eyes off her. The sight of a woman's large breasts being pressed like that was always fascinating. And I was an Incubus. I was bound to be quite sensitive to sexual stimulation.
To do such a thing so suddenly... it must have been unconscious, but to me, it was a major temptation.
—Gulp.
I swallowed hard.
"Hoo."
Reika continued her stretching, unaware of my feelings, and so I—
"Sister Reika."
"What?"
I had no choice but to go behind her and embrace her.
"What are you doing?"
"Now that I think about it, I haven't been with you today, Sister Reika."
"Hmm, so you want to do it now?"
"Yes. So..."
—Swoosh.
I immediately slipped my hand into the side slit of Reika’s nun habit and massaged her thigh. Reika didn't react, so I fumbled my hand up and stroked her panties.
"Please take off your clothes."
"You horny dog, doing this shit again... Haa."
When I pulled my hand away, Reika sighed and took off her clothes as usual. The neat nun habit was removed, revealing her underwear. When she took those off too, Reika’s lewd, naked body was completely liberated.
—Whoosh.
With her bra gone, a rich, sweet scent wafted up. The temptation of breast milk. Reika’s breasts were full of milk. Unable to resist the temptation, I buried my nose right into her cleavage.
"Slurp."
I buried my nose, inhaled the scent, and hugged Reika’s upper body tightly. Even though I hadn't taken off my pants yet, my waist was twitching on its own.
Reika just let her arms hang limp and spoke.
"Can you not calm down unless you fuck a woman for even a moment?"
"Hoo... Yes."
I answered with my nose buried in her, then hurriedly took off my pants. No, my clothes were too much of a hindrance. After briefly pulling my nose away, I quickly stripped.
"Reika... may I suck?"
When I was naked, I said that, burying my nose back into her cleavage.
"...It's not like you'll stop if I tell you not to. Can you stop asking?"
"Understood."
Immediately—
—Slurp.
I latched onto Reika’s nipple and sucked with all my might.
"Ahhh♥ Ahhh♥"
The breast milk stored inside her breasts burst into my mouth, unable to resist my suction.
"Ah, damn it♥ Ahhh♥"
At the same time, a sweet taste spread throughout my mouth. This was it. The taste of a woman’s milk. I didn't know what it was actually like, but to me, this breast milk... yes, it tasted like the milk left over after eating Corn Frosties.
It was that sweet and addictive.
"Ahhh♥ Ahhh♥ Ahhhhhhh♥ Damn it♥ Damnnnn it♥ Right there♥"
At some point, Reika was pressing the back of my head with her own hands. It must be hard to resist the pleasure.
I enjoyed myself, sucking on Reika’s breasts while moving my fingers to poke at her pussy.
I couldn't take it anymore.
"Haa. Reika. I’m going to put my cock in now."
"...Wait."
"Yes?"
Her face was flushed.
"Having sex right now... it feels like shit."
Reika said that with great difficulty and knelt down.
"I'll do it with my hand."
"Yes?"
No, not sex, but with her hand?
Wasn't this insubordination?
"Reika, that means..."
"I don't want to do it right now."
"..."
Looking at her eyes, she looked a bit angry.
This is... ah. Damn it.
I wanted to.
But if she showed she was this angry, I had to be considerate.
"Then, well, please do it with your hand."
But how should I receive a handjob?
"Ah."
Thinking that, I looked at Reika, who was kneeling.
"Good idea."
A good idea popped into my head.
"Reika, stay there on your knees."
"What?"
A perfect idea.
—Swoosh.
I immediately lay down, resting my head on Reika’s firm, alluring thighs. As soon as I lay down, I looked up, and oh my. My vision was filled with heavy, large breasts.
"This is it."
"You bastard...?"
"Now, please do it with your hand. I’ll suck on your breasts."
"..."
—Squish.
The moment I grabbed Reika’s right breast with both hands and stared at her nipple—
—Squeeze.
"Ugh...!"
Reika gently grabbed my stiff, erect cock. At the same time, a moan escaped, and my waist lifted on its own.
Ah.
This was good too.
Like that—
—Slurp, slurp.
—Slurp, slurp.
—Slurp, slurp.
I focused on sucking Reika’s breast milk. I alternated between both sides, kneading her large, wide breasts with my hands to squeeze out the milk. In that way, I teased Reika’s breasts.
—Thwack, thwack, thwack, thwack.
—Thwack, thwack, thwack, thwack.
—Thwack, thwack, thwack, thwack.
Even so, Reika faithfully and gently rubbed my cock.
"...You."
And then, the voice I heard.
"You seem like you're suffering from anxiety."
Her voice sounded worried... but I didn't have the time to answer. My mind was drifting away because of the sweet taste of breast milk in my mouth and the sensation of my cock being shaken.
"Do you feel things like that, even a bastard like you?"
"..."
"Are you anxious? That you'll be caught by humans. That you'll lose. That everyone will die."
That was—
"Do you worry about things like that?"
Of course.
"...Of course I do."
I pulled my mouth away for a moment and answered slowly.
I felt so lethargic that my voice wouldn't come out well.
"..."
I didn't know how much time had passed.
Reika was silent for a while.
"You know."
Soon, her voice was heard again.
"Killing people you don't even know."
"..."
"Raping innocent women is a sin."
Sin.
"You understand that, right?"
—Thwack, thwack.
I ejaculated again and again. Reika didn't stop her hand for even a moment. So I pulled my mouth away from her breasts and answered.
"Of course... I know... it's a heinous criminal act."
"Then."
"But it doesn't matter. Whether it's a crime or not. Because it has no meaning to me."
"..."
Silence.
"...Is it because you'll die if you don't do it?"
"Yes."
I know it's an evil act.
But I don't care.
"A wild animal trying to live... no. A snake entering a mouse hole and eating baby mice that haven't even opened their eyes. It's a gruesome and terrible thing. But is it wrong?"
I know it's evil.
But I don't think it's wrong at all.
"It's the same for a Goblin eating a cute rabbit."
To me, humans are just objects of conquest.
Objects that must be conquered to survive.
"..."
Reika must have been curious about that.
"Hey."
"Yes."
"Are you a monster?"
"Demons are monsters."
I am a monster, right?
"I was a monster from the moment I was born."
"..."
"So I have to live as a monster."
Because her breasts were pressing against my face, I couldn't see Reika’s expression.
"Damn it."
But I could still hear her voice.
"You know it damn well. You monster bastard."
"Ah."
I felt like I was being held in a mother’s arms, but the curse ruined it all.
"Keep shaking your hand."
"You fucking bastard."
I continued to suck on her breasts.