Enslaved - Enslaved Sister Harem – V2 – Chapter 19

The next morning, I awoke to the shimmering light. In the
complete darkness of the cavern, it was like a shining beacon. It sparked, and
then went out, only to spark once again. Glancing over to my right, I could see
Olivia kneeling there, facing away from me.
Her hands together and a ball of fire erupting between them. She was
wearing her clothing, which appeared to be dry. She was focusing on a spell
that appeared to be difficult for her but seeing as the hallways felt warmer
than before, the initial worries of hypothermia were solved.

“Achoo!” I ended up letting out a sneeze.

Olivia froze from casting for a second but then continued
after speaking. “We can go once you’re ready.”

I glanced down, realizing I was still naked. However, my
clothing was dry and neatly folded at my feet. Moving to my feet, I quickly put
the clothing on. It was wrinkly, the effect of being wet and hastily dried, but
it was still a load better than walking around in damp clothing. I suspected
Olivia must have done something to fix this. A single night shouldn’t have been
enough to leave the clothing this dry.

Once I was finished dressing, using the flickering light between them intermittently appeared between Olivia’s palms as my guide, I finally looked over her shoulder. I could hear her mumbling an incantation under her breath.

“What are you trying to do?” I asked.

She finally stopped her casting and shot me a sidelong look,
“I’m trying to create a warmth spell without creating a fire. I managed to dry
our clothing and set a fire for a short while, but I don’t know if we have any
access to the… never mind, it’s complicated, you wouldn’t understand.”

I nodded, glancing around. “We’re underground. Fire will
burn oxygen and create carbon dioxide. Without a proper air outlet, we could
obtain warmth only to asphyxiate.”

“Carbon wha-? Ass fix…” She blushed, and then suddenly punched
me. “Nya! Are you trying to tease me!”

I stumbled back with a grunt, “No, damn, that hurt… I mean
we could suffocate down here if we use to much fire, right?”

She was shooting me a suspicious glare, but then with a
flick, she created a light source and stood up. “I suppose you at least
understand that much.”

I could only roll my eyes in response. I had already discovered
while training under Baba that my understanding of the sciences from my old
world had allowed me to quickly grasp how to manipulate things magically. Even my
base levels of understanding light, refraction, and wavelength allowed me to
grasp illusion to the point it impressed Baba. A normal person would have taken
five years to get the point I had reached in a mere month.

I wondered if I gave Olivia some lessons on thermodynamics
if she’d be able to get the heat going. I decided that wasn’t important in the
end. We didn’t plan to stay here long enough that we were going to need that
option. With luck, we could meet back up with the goblins today.

As I got up and the pair of us started heading away from the
waterfall and into the depths of the cave system while guided by Olivia’s light,
I realized my leg was incredibly stiff. At first, I figured I had slept on it
wrong, but rather than working out the kinks, the problem continued to get
worse. After about thirty minutes of heading down the corridor, I was limping
now, and a sharp pain was in my leg.

Olivia, who was taking the lead with her light source, hadn’t
noticed that my expression was turning pale. So, it came as a complete surprise
to her when a sudden thump sounded behind her. She spun around to see me laid
out on the floor.

“Nya? What is wrong?” She demanded, her eyes flickering
worriedly.

“Ah… I think I was bitten by one of the spiders?”

“Spiders? You were poisoned!” A flash of worry appeared on
her face. “Why didn’t you say anything earlier!”

I turned around and moved myself to lean against the cave
wall. Both legs felt numb now.

“I didn’t think there was a problem. Devilkin are resistant
toward poison.”

“Resistant isn’t immune!” She growled, coming over and
sitting down on her knees next to me. “You shouldn’t have kept this a secret!”

“S-sorry…”

The previous night, we hadn’t had time to worry about it, and I figured that if the bite truly had venom in it, it would have already affected me by now. The cold temperature, my lack of moving, and my devilkin blood must have kept the poison from spreading. It was only once I started walking that the poison started truly spreading. The numbness was now spreading through me rapidly.

“You fool. Those spiders must have a dreadful venom.”

“Actually, I’m probably lucky they were spiders though.”

“Why do you say that?”

“Spiders want their victims alive. This is probably a
paralytic. It shouldn’t pose me any danger, but I may fall into a state of a
coma if it spreads much more.”

“Nya! How can you be so calm?” She cried out.

“I-isn’t… big sister here? You… can help…”

The poison seemed to be spreading fast now that it
initiated. In just a few minutes, I was already having trouble talking. I had
been really lucky that I hadn’t slipped into a coma during the night when
Olivia was passed out.

Olivia blushed. “N-now you’re depending on me…”

“Y-you can’t help?”

“I-I can do it… I was taught how… by the elves. It doesn’t
even involve magic, but it’s a special technique.”

“Okay… h-how…”

“Th-that…” her face grew slightly red. “I just… need to know…
where the wound is…”

She seemed to grow shyer by the second, but I couldn’t hear
that last part. “What?”

“The wound! I can suck out the venom through the wound. It’s
a special elfish counterflow technique. It reverses the flow of poison. Nya… just
show me where it bit, okay?”

“Ah… that…” I reached down and grabbed my pants.

“Wh-wh-what are you doing?” She cried out, pointing at my
pants, which were now lowered, exposing my undergarments.

“The wound, it’s on my… right…” I hadn’t been thinking clearly.

The spider bit me on my inner thigh. That meant that Olivia
would need to suck… down there. Both of our eyes traveled down to the wound
sitting only about two inches away from that. Even though there was a cloth
covering it, it was still very close for a brother and sister to get.

“Nnnnnnyaa… damn it!” She cried out. “I won’t do it! Brother
should just die!”

“O—kay…” My eyes rolled up in my head and I collapsed.

“Ah! Brother!” She cried out, grabbing onto my shoulders.

However, when I didn’t respond, there was a moment of
silence, and then I felt my leg being grabbed. Of course, I hadn’t actually
passed out, but this was the inevitable conclusion anyway. Olivia had to use
the technique. I was just edging her along a little bit quicker. The sooner the
poison was out of me, the better I could recover. I couldn’t have her being squeamish
until I really did pass out, so I decided to throw in a bit of encouragement.

Feeling her hands on my thighs, it was a bit more
stimulating than I expected. With my eyes closed, I could only imagine what she
was doing, and with the feel of her hot breath on my thigh, my mind naturally
went back to last night. I recalled the feel of her naked body pressed against
mine in the dark.

A moment later, I felt her lips on my leg. She bit it first,
opening the wound, and then she began to suck out the poison. The feel of her
warm lips and the sucking sensation on my thigh hurt for a moment, but then it
started to feel good. As she kept going, her gentle lips working rhythmically,
it went from feeling good to feeling more than good. The thoughts of her naked
shot back, and I had to bite my lip to keep from making a noise. Furthermore, my
hands squeezed my own hips to keep me from grabbing her head.

She continued to suck, and then spit, suck, and then spit.
As she readjusted herself, he hand moved up my thigh and then struck something
hard with her wrist.

“Nya? What’s this?”

Her fingers suddenly grabbed it through my underwear. My
eyes immediately popped open and I shot up into sitting position, shooting a
look down at Olivia with shock on my face.

Olivia was between my legs. She had one hand on my thigh and
another wrapped around my cock. She was looking up at my cock with wet, puffy
lips. It was an exceptionally lewd scene.

“Nyaaaaaaa!” Olivia leaped up and attacked me.

“Help! Ah! You’re going to kill me!”

“You devil! Monster! Pervert!”

It took nearly fifteen minutes until she was finally settled
down. Fortunately, her technique had done the job. I could move my legs again,
and the numbness was rapidly disappearing. I stretched my legs a few times with
an impressed look on my face. However, when I glanced in Olivia’s direction,
she had her arms across her chest, red in her cheeks, and a glower on her face.

The two of us started moving again, but this time, there was
an awkward atmosphere between us. It seemed like for every step forward I moved
with her, I ended up losing a step. In short, I was going nowhere quickly. I
started pondering how I was going to break that final shell between Olivia and
me and finally gain her trust. In the end, would I really have to enslave her
to ensure her loyalty? I had these kinds of concerns.

Even though Olivia had the light, at some point, she fell behind and started following me with her head lowered. Perhaps, she thought I knew the way. In truth, my guesses were mostly random. I tried to use airflow to decide, as well as elevation. We had made a dozen turns, and I think we were getting closer to the surface. At the very least, we weren’t reaching a dead-end. As long as there were more paths to explore, there was a chance we’d get out of this place.

At that moment, I felt Olivia grab the back of my shirt. I
glanced back, surprised by the gesture, but she had her head down and her expression
gave nothing away. Perhaps, she just wanted to make sure that she didn’t lose
sight of me or I didn’t move farther ahead. She didn’t say anything though, so
I just turned back and continued to move.

After traveling for about a day, I could hear Olivia panting
behind me. We had done a lot of walking today, and it was anyone’s guess if we
were any closer to the surface. It apparently reached Olivia’s limit, so I
decided to stop here for the night. We hadn’t said more than a word or two
since this morning if one could say it had even been a whole day. Under the
ground, it was impossible to tell how much time had passed.

“We’ll stop here,” I said to the quiet Olivia, prompting her
to let go of my shirt.

“Yes.” She said simply.

I sat down, pressing my back against the cave wall,
instantly feeling the chill of the cave and making a face. While moving, it was
easy to stay warm, but now that we were stopping for another night, we’d need
to resolve things. I’m sure that Olivia would not appreciate spending another
night naked with me.

“Come here for a moment.” I looked up at Olivia and blinked.

She was looking at me, but she was also distant, hiding in
the shadows. I could also hear her taking deep breaths. Was she really that
tired? I couldn’t let her sleep just yet.

“Come over here.” I beckoned, bringing out my hand.

Olivia looked at my hand for long enough it felt awkward,
but then she reached out and grabbed it. I pulled her forward out of the light.
She still had her head down, and it was difficult to see her face. After a day
of casting light, it had dimmed considerably, being little more than candlelight.
Perhaps that was why she was so tired right now.

“The spell from this morning, the flameless heat. I’m sure it can be achieved. We should try to cast it before we go to sleep tonight.” I explained.

“I-is brother cold?” She suddenly asked, her voice sounding
somewhat strange.

“I will be tonight.” I continued. “We’ll need to generate
some heat so we can sleep a bit more comfortably. Okay?”

She looked at me for another long moment, her eyes shrouded in darkness. At this point, I started to realize that something was wrong with her. She was still breathing hard. Her tail was flicking back and forth chaotically. Her entire body appeared like a cat ready to pounce on a mouse.

“Olivia? Is something wrong?”

“I-I can’t…” She tried to pull away, but I still had her
hand, so I tightened my grip. “Please…”

She only pulled once, but then she shot me a look. I finally
could see that her eyes were red, and her face was flushed. It looked like she
was suffering from some kind of illness.

“Olivia, are you okay?” I demanded in surprise.

It was only when I saw her eyes flicker with a lewd desire
that it suddenly dawned on me. She had sucked the poison out of my leg. At the
time, I hadn’t even been thinking about it. The poison must have been dulling
my mind. She clearly ended up with a lot more than just poison in her mouth.
More specifically, she had ingested some of my blood!

“I will… make brother warm…” She said this as tears fell
from her face.

“Ah!” I let out a cry as she pulled off her clothing.

They fell noiselessly to the ground, and suddenly I was looking at my sister, completely devoid of clothing. She had a rather normal-sized chest, although still bigger than the elf sisters. She had shapely hips, a long tail, and a beautiful body.

Before I could move at all, she pounced, wrapping her legs
and then sitting down on my lap. “Brother, be gentle…”

“Hah… that…” Her lips took mine, and the pair of us began to
kiss.

She tasted sweet, and her body was warm. After sleeping
together the night before, I couldn’t say I wasn’t tempted. She was Prince
David’s sister, but I was just a man from another world. Even so, a part of me
saw her as a sister anyway.

Isn’t this what you wanted? Isn’t this what you were
aiming for? Even God wants this!

My mind didn’t help either. Rather, if I could have my
sister now, then that would resolve a lot of problems. I would finally have one
sister under my control, and I could use her to help entrap other sisters. From
a purely tactical point of view, forcing her into submission seemed like the
best course of action.

Olivia’s hands fell to my pants, and she started to eagerly
unzip them. As soon as she pulled out my dick, I gasped as her delicate hands
started to stroke it with vigor.

“I’ll make brother warm, okay?” She said, looking up at me
tearfully. “I’ll make Brother feel good.”

“Olivia… we can’t…”

“Then… brother can… c-cum in me…” She blushed, “I want Brother
to cum in me.”

“Hah hah…” her hands felt good, and her body was pressed
against mine.

However, a small part of me still seemed to want to resist.
At the end of it all, she was still my sister. How could I force her into this?
I just couldn’t. I gritted my teeth and then reached down and grabbed my dick, pulling
her hands off and then rubbing it hard.

“Ah! B-brother!” She looked down at my dick wide-eyed while
I stroked it aggressively.

“I love you, Olivia…” I said, kissing her.

Our lips kissed lewdly, and my hand stroked my cock.
Naturally, under these circumstances, I came quickly. Feeling a relief as I
came, allowing me to think more clearly, I finally pulled my lips away. Olivia
was panting again, and saliva connected our mouths. She went to kiss me again,
but I brought up two fingers covered in cum and stuck them into her mouth.

“Mm!” She made a cute noise, a look of confusion on her
face.

But then, she started licking my fingers, her sweet pink
tongue dancing across as she ingested the cum. In the end, I had resisted. I didn’t
even know if Olivia would ever forgive me after this. I might have lost all progress
with her. However, my aphrodisiac could be expunged with any ingestion of devil
cum. It didn’t need to be in her vagina, where she’d become pregnant and
enslaved. Since her arousal was broken, I could finally relax and deal with the
outcome of this mistake.

Olivia finished licking my fingers and then gave me a weird
look. “Is this… some kind of weird devil thing, Brother?’

I could only chuckle and shake my head. “No… but… that will
cure the aphrodisiac from you tasting my blood. We don’t have to have sex now.”

Her eyes narrowed, her expression starting to change as the
cum took effect. “Nya? You don’t want to be with me?”

I sighed. “I want you. Damn it, I do… but not under some
influence…”

An angry expression started to form on her face as the
arousal left it, suddenly she hit me on the head. “Then why did you finish
yourself off, you dummy!”

“What?” I grabbed my head while looking up at her in
confusion.

“You stupid brother! Don’t you think I thought of that
before I did it? My technique doesn’t take up any blood! I’m not on some devil
aphrodisiac!”

“Wait… what?”

“Stupid brother! After you passed out… I was so scared, and
then you got aroused! I spent all day working up the courage and then you just
jack off in front of me! You pervert!”

“You want to have sex?”

“Not now! I hate you! You’re the worst! You’re… Mmm!” My
lips found hers, but she managed to escape. “Don’t think you can now! You ruined
it! Besides, you’re already spent!”

“I can go again!”

“Then fix it yourself! It was a one time offer! Nya!”

This time, I pushed Olivia to the floor and I didn’t stop.

“Nya! You… Brother… n-no… oh… oh… ahhhh… ahhn…I love you… brother…”