For the Sake of Evolution (1)

It was the 4th day. Before the morning light could even break, I woke up at dawn. By Eila’s reckoning, it was 4:00 AM—the time when humans are most prone to sentimentality. I was an orc, of course, but looking at the shimmering silhouette of the summoning facility before me, I felt a strange sense of longing.

"Ah, finally...!"

The summoning facility was so well-organized that even at a glance, one couldn't help but think it was cool. The wooden frames had all been replaced with marble-like stone, making it look like an altar where dark mages might perform their rituals. I immediately checked the most important performance metric of the Summoning Facility Lv. 2: the summoning probabilities.

Beautiful! Look at those magnificent star counts. Although the variety of potential summons had increased, the probability was far better than when I first built the facility. Furthermore, the chance to pull a 4-star was 5%—and while they weren't "natural" 4-stars, a 4-star was still a 4-star.

'In other words, if I keep upgrading the summoning facility, the probability of pulling a 5-star will eventually appear.'

Good. I’d welcome that any day. Now, the number of summons wasn't the issue. By yesterday, the 3rd day, the total number of my subordinate monsters was 32: one orc, one high elf, 14 slimes, 11 ghouls, and 6 harpies. But the current capacity of the dungeon was different.

That’s right. It had increased by three. I carefully slipped out of the common area, making sure not to wake Ryun, and headed toward the barracks. From the barrack closest to the common area, the sounds of moaning and rhythmic slapping were still flowing out.

"H-huff?!"

The stud hunters were startled to see me standing at the entrance. I was just as startled to see them.

"Are you kidding me?"

The two of them were eating the Harpy Angel at the same time. One was using his mouth, the other was using his lower half. The Harpy Angel was on all fours like a beast, swaying back and forth.

"T-this is..."

"No, it's the other way around."

The Harpy Angel held the glans in her mouth and smiled coyly. It wasn't the men eating the harpy; the ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠Harpy Angel was eating the men.

"What about the other one?"

"Well... we tried to insert, but we couldn't."

The stud hunter pointed to a man being devoured in the corner of the wall. He was surrounded by the 1st-generation harpies I had summoned from the start, and he was very carefully cradling an egg.

"Master, she's hogging the dick and leaving us behind!"

"Hee-ing..."

The newly born harpies pouted their lips and complained. The faces of the harpies and the Harpy Angel all looked strangely similar.

"...Damn."

That face was too similar to the man currently nursing the 1st-generation harpies next to them. Was that guy specialized in seeding harpies?

"How come it didn't work?"

"Uh... instinctively, it just felt wrong? I tried to force it, but my mood just died and I didn't want to."

"I see."

A genetic issue based on instinct. Unless I summoned more, the man wouldn't be able to eat any harpies other than the 1st-generation ones. However.

"Alright, you two go soothe them."

I pulled the two stud hunters away from the Harpy Angel and left them to the harpies. Their members looked full of complaints because they were pulled out right before they were about to climax, but as soon as a harpy pressed her breasts against them and acted cute, they stiffened even more.

"Master...?"

The Harpy Angel frowned in annoyance. I had interrupted her while she was getting heated, but I stopped them to give her an even greater pleasure.

Squish.

"Hehe, so that's how it is~"

Very fortunately, I was capable. The inside of the Harpy Angel was already slick with the men's essence, and perhaps because of her nature, my massive member dug deep inside without hesitation. Squish, squish. I grabbed the Harpy Angel's pelvis and made her crawl on all fours.

"Hnnng...!"

The Harpy Angel crawled through the middle of the barracks on her bird-like arms and legs, moving forward.

"Ah, ahhh...!"

The Harpy Angel couldn't take many steps before stopping in her tracks. It seemed the other stud hunters had already warmed her up thoroughly; I hadn't even moved my waist for a few minutes, yet the Harpy Angel climaxed.

"Hyaaaak...!"

The Harpy Angel flapped her wings and climaxed. Her bird-clawed hands and feet gripped the dirt floor of the barracks tightly, and her wing feathers trembled to the very tips, shaking her entire body.

"Tsk."

I hadn't even ejaculated, nor was I fully erect, but the Harpy Angel had already gone. It was a shame in many ways, but I liked this position itself.

Thwack, thwack-thwack.

I pushed my waist as if urging the Harpy Angel to keep moving. The Harpy Angel climaxed rapidly with every step she took, and saliva and love fluids dripped onto the floor.

'I feel bad for her.'

The stud hunter who had been busy pounding the 2nd-generation harpy couldn't last long and shot his load quickly. If I hadn't pulled him away from the Harpy Angel, he would have ejaculated inside her and climaxed at the same time.

'Thanks to that, I got a good meal without even ejaculating.'

The tremors of her consecutive climaxes made me think of Eila for no reason. When Eila would have consecutive climaxes while fully conscious, her tightness was the best. No one else in the dungeon could give me that suction-cup sensation.

Thwack, thwack-thwack.

So, this was a form of vicarious satisfaction. I kept driving the Harpy Angel forward and walked inside.

"Hah."

Inside the barracks, all the 1st-generation harpies had folded their wings and were lying on the flat wooden platform, and the man was startled to see me while nursing the harpies.

"Th-that..."

"From today, you are also my dungeon's subordinates."

They had already surrendered to me. They surrendered to my terror and the pleasure the harpies provided. The man had a complicated look on his face seeing me use the Harpy Angel, who was practically his daughter's age, but I quickly noticed the lingering regret in his expression.

"Thanks to you, the Harpy Angel was born, and now I can summon more ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠Harpy Angels."

"......."

"If there's ever a need to summon more Harpy Angels, I'll let you have a taste first. Before I use her."

"......Thank you, no. Thank you..."

The stud hunter had definitely surrendered. The other two were the same.

"Keep up the hard work. I'll be taking these."

I gathered the eggs the 1st-generation harpies had laid overnight and pulled my member out of the Harpy Angel. It was covered in the men's semen and love fluids, but I didn't care.

"Feels like collecting eggs at a poultry farm."

"A poultry farm?"

"Yeah. A poultry—"

In the darkness, Ryun was tilting her head with her eyes sparkling. My heart sank, and ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠my stiffened member went limp.

"W-when did you...?"

"I've been following you since you woke up, Master."

"......."

"Ah, give those to me. I'll carry them. Hehe."

Ryun cradled the three eggs in her arms. They all seemed to be 1-star eggs, but Ryun polished their surfaces until they were smooth with the hem of her robe.

"Master. What are you going to do first today?"

"......Gacha while drinking water at dawn."

Suddenly, I became incredibly thirsty. I had been drinking Ryun since dawn, and we greeted a refreshing morning.

* * *

There was only one thing I had to do from the morning.

'Increasing the capacity in advance.'

I needed to prepare to welcome the 4-star entities that would be summoned according to the Summoning Facility Lv. 2, and I also had to increase the capacity because of the mass production of the harpy troops that would follow.

'If I summon 10 a day consistently, I might end up building a Demon King's army at this rate.'

It would be pathetic compared to Demon King Solomon's 72 dungeon armies, but even if I only did magic stone summons for a year, that would create 3,850 subordinates. I was only thinking of the daily limit of 10 summons, so as that number started to increase, the amount of subordinates would grow exponentially.

Today's main events were two. One was the gacha. And the other was May.

'She doesn't know yet.'

She was still using her own virginity as a bargaining chip to insult the village chief. The chief was still restrained on the floor, his member ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠stiffly erect, being berated. 'I can just have the harpies take turns with her until I kill her.'

I didn't know what kind of "seed" she had, but a 3-star stud was hard to come by anywhere. Unless she became a member of the dungeon like the other studs.

"Harsus! Gather the ghouls!"

Krrr-ruk.

I went out to the front of the barracks myself and called the ghouls. The high ghouls that had been added last night popped out first, followed by the regular ghouls and high ghouls.

"What is it? Did you decide to rank by summoning order?"

Kruk. Harsus nodded. Even though the ghoul (★☆) had received a recruit with a higher grade than himself, he was clicking his teeth in joy that he had a subordinate.

"...Forget it, go collect some wood. I'm going to keep expanding the barracks."

I even thought about making a long barracks in one area. Since I needed to secure more wood in any way possible, the ghouls had to keep collecting wood throughout the morning.

"Like yesterday, don't forget. Got it?"

Krrr-ruk. All the ghouls limped their way out. Having feasted on half of the 20 humans yesterday, the ghouls were more energetic than ever today. And the ghoul with the most enthusiasm among them was the ★☆.

'The evolution condition for a high ghoul was eating one corpse.'

Maybe that's why he was so arrogant even though a high ghoul recruit had arrived. It seemed he was convinced that since he had consumed a corpse himself, he would be able to evolve into a high ghoul soon.

'If you want it that badly, I'll do it for you.'

He was a bit strange, but he worked hard when an order was given. Seeing Harsus hit him on the head repeatedly, it seemed Harsus had no intention of giving up on him either, even if it was just to knock some sense into him.

'If Harsus cuts him off, I'll cut him off too.'

I left everything regarding ghoul management to Harsus. Harsus would take care of the wood, and the barracks would continue to grow. Starting tomorrow, I should try giving orders so they can go out automatically.

"Lime!"

Lime poked her head out through a hole in the ceiling. Although it was a grid-type vent, slimes could put their bodies in and out of vents without any trouble.

"Just have the 1-star slimes dig the ground, and you take the others and run the sub-dungeon."

Kkeureureuk?

"Take them and level them up."

I called the Slime Dragon Unit 1 and 2—the Big Slimes (★★☆)—and the Slime (★☆☆) I had summoned yesterday, the Slime Dragon Unit 3. Lime looked around at the three of them for a long time, then spread her arms wide and shook them up and down.

"Hmm..."

If Ryun were here, she would have translated it. But for some reason, I felt like I could guess the meaning of Lime's actions. Thinking about Lime's personality, tendencies, and her behavior as a leader...

"Are you asking what to do if a Slime Dragon appears because it'll be a disaster?"

Slap!

Lime clapped her hands together. As expected, Lime was smart. She knew all too well which enemies she could beat and which she couldn't.

"Can't you beat a Slime Dragon?"

Nod.

Lime put her hands on her waist and nodded very confidently. I was proud that Lime understood her own combat power so well.

"Yeah, that's right. You need that much intelligence to evolve into a Slahole."

No matter how smart a Level 20 is, they can't take on a Level 35. "Eat all the magic stones that come out today and grow. Got it?"

Kkeureureuk. Lime put her fingertips to her face and then spread them toward me. What was this? Was she blowing a kiss?

Kkeureureuk. Lime shook her head back and forth. I was so proud of what Lime wanted that I knelt down slightly.

"Clean it."

Kkeureureuk. Lime's mouth opened wide and bit my member. The traces of semen and love fluids that had hardened while I tasted the Harpy Angel were wiped away by Lime's body fluids, leaving it clean.

"Huuuh."

The inside of the slime's mouth was lukewarm, but the texture was incredibly good. It felt like thrusting into a waterbed, but Lime was rotating the fluids in her mouth to stimulate my member.

"Hup...!"

Lime's fluids began to flow back into my urethra. A nerve-stabbing stimulation started from my lower half like a lightning strike, and before I could even grab Lime's head, I pushed my own fluids into her first.

Kkeureureureuk!

My semen pushed her fluids away forcefully and was sucked into Lime's body. Lime kept her mouth clamped onto my member for a long time before pulling back slightly and bowing her waist.

"......I will definitely evolve you to 4-star."

If she had a bit more of a human form, I felt like I could really thrust into her and move my waist. Lime straightened her waist and left for the sub-dungeon with the other slimes. My semen was flowing like water inside Lime's body. I watched Lime's retreating back, drool flowing from my mouth.

"Master?"

"You scared me...!"

Ryun had popped out of nowhere. I wiped my chest and stepped back from Ryun.

"What is it?"

"Ah, well... the humans are saying something strange."

"Something strange?"

"Yes. Uh, so..."

Ryun frowned, showing disgust. "They're saying they'll offer the villagers as sacrifices if we let them go."