Chapter 8: Penis Grade Measurement (3) (18+)

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Chapter 8: Penis Grade Measurement (3) 

Which one should I do first? Yoo Sehee with her large buttocks? Or Baek Yujin who grips tightly? Both are attractive, but the choice was already made. 

"Ahh! Oppa's dick is here!" 

Pop! 

I grabbed Yoo Sehee's large buttocks and inserted in one go. This is the feeling. The bounce of her buttocks with each thrust. No matter how hard I pound, there's a sense of security that she can take it. Reassured, I pounded her pussy vigorously. 

"Oh god! You're pounding so roughly, my womb will break!" 

"You say that, but why is your pussy gripping so tight?" 

"Well, because I love oppa's dick! I can't help it!" 

Slap! Slap! Slap! Slap! 

The wet sounds of flesh slapping together rang out. But this alone wasn't enough. The masculinity stirring inside me cried out for more. I raised my hand high and spanked Sehee's buttocks. 

"Ohhh!" 

Slap! Sploosh! 

Her waist arched and she sprayed fluids forcefully. At the same time, her pussy clenched around my dick as if trying to break it. Sehee. Though not quite Jung Sahwa's level, she has talent as a masochist. As if to prove that, when her orgasm ended, she looked at me with a disappointed face. 

"Oppa, are you going to finish with just one time?" 

"Who said you could talk back!" 

"Ohh! I'm sorry!" 

Slap! Splash! Slap! Splash! Slap! Sploosh! 

She sprayed fluids like a fountain with each spank to her buttocks. Her buttocks were covered in handprints. Her womb kissed the tip of my penis, begging for semen. 

"Well Sehee, don't you have something to say to me?" 

"Oh! Please pour your thick semen into this masochist pussy that gets happy from spankings!" 

"Ugh! I'm cumming!" 

"Ohhh! I'm cumming! Cumming!" 

Spurt! Spurt! Spurt! Spurt! 

My semen flew forcefully towards Sehee's womb. However, it was blocked by the impenetrable wall of the condom. Sehee seemed to belatedly realize this too, and looked at me with a disappointed face. 

"Aww, I wanted to receive oppa's semen." 

"We're still measuring. Be patient a little longer." 

"Okay! Let's finish measuring quickly so you can cum in my pussy!" 

Sehee complained that her womb felt empty. But when I patted her head, her bright smile returned as if nothing had happened. As I kept patting her head, a pale hand pulled at mine. 

"Oppa. Pat me too. With your dick if possible." 

"Sorry. Did I make you wait too long?" 

Was she lonely because I only played with Sehee? For Baek Yujin's pussy that gets lonely easily, I inserted my fingers deep and rubbed inside. 

"Ungh! Oppa, your fingers are so thick." 

"Then how about here?" 

"Ahh! That spot is dangerous!" 

Squelch squelch. 

I stimulated Yujin's G-spot deep inside. Each time I stimulated her G-spot, she clenched so tight my fingers could barely move. She was so wet my hand was soaked after just a few thrusts. But Baek Yujin's pussy seemed greedy for more. This much didn't seem to satisfy her. 

"Should I make you feel even better then?" 

"W-wait, not there...!" 

Despite Baek Yujin's protests, I kissed her plump clitoris. I didn't notice before, but Baek Yujin's clitoris was quite large. Probably about 2cm. Most don't even reach 1cm, but she easily achieved 2cm. Baek Yujin seemed embarrassed by her large clitoris. She blushed and clamped her mouth shut. 

"What's wrong?" 

"It's embarrassing. A clitoris this big is just unsightly." 

"What are you saying? I like it." 

"Eh? Wait...! If you suck it like that!" 

Contrary to Baek Yujin's worries, I was very aroused by her clitoris. I sucked on it like a nipple, swirling my tongue. While stimulating her G-spot at the same time, Yujin's hips bucked. 

"Attacking both at once! Ohh! I'm cumming! Cumming!" 

Splash! 

Baek Yujin reached climax while gripping my head. She sprayed so forcefully, it wet my face like a spray. As I wiped my face with my palm, I belatedly realized Baek Yujin had collapsed. 

"What's wrong?" 

"It felt so good. My legs are weak." 

How good must it have felt for her legs to give out? Laughing wryly, I put on a new condom and lifted the fallen Baek Yujin. 

"Eh, oppa? I just came so I'm sensitive." 

"Can't you see I'm hard? It's common sense to lend your pussy when a dick is erect." 

I lifted her thighs into an M-shape with her back against the wall. Baek Yujin smiled awkwardly. 

"W-well that is common sense. But maybe we should rest a bit." 

"Sorry, but my dick can't wait." 

"Ungh." 

My dick kept nudging her clitoris. She blushed, then finally gave in and spread her pussy. 

"Then please use my pussy quickly." 

"Don't mind if I do!" 

"Ahh!" 

Squelch! 

I inserted smoothly thanks to how wet she was. I gasped at Baek Yujin's slick, gripping pussy. Sehee is fun to pound, but Yujin feels good just inserting. Just from inserting, her pussy walls were already fluttering happily around my dick. What a waste to only use such a good pussy for masturbation. This is a national loss! 

"Ohh! Oppa, you're too rough." 

"You're enjoying it too, why complain?" 

"I don't know! I'll just think about your dick!" 

Squelch! Squelch! Squelch! Squelch! 

Baek Yujin panted like an animal with each thrust. She must have been so hungry for dick, fluids overflowed with each thrust. And not wanting to let go of my dick, she clenched tightly - just like the easily lonely Baek Yujin. 

"Oppa, let's kiss. Kiss." 

"So many requests." 

"You like it too. Mmph." 

Slurp slurp squelch! Squelch! Squelch! 

We shared a deep kiss while I thrust my hips. Her tightness increased with each intertwining of our tongues. My dick got even harder from her desperate kisses. Baek Yujin is a genius. A genius at arousing dicks! 

"Ohh! You're cumming? Hurry and cum! Hurry!" 

"Yujin, I'm cumming!" 

"Ohhh! My womb is getting so full!" 

Spurt! Spurt! Spurt! Spurt! 

I ejaculated forcefully as if trying to burst her womb. Though blocked by the condom wall again, it sprayed so powerfully as if truly trying to impregnate her. I gently shook my hips, squeezing out the last drops of semen. Just as I was about to pull out refreshed, the condom got caught on her cervix and wouldn't come out easily. This can't be helped, right? 

"Yujin, sorry." 

"Huh? What... Ohhh!" 

Splash! Splash! Splash! 

When I forcefully pulled out the condom, she sprayed fluids intensely. The condom came out safely, but Baek Yujin came so hard she made a small puddle. 

"Good work, oppa. That concludes the measurement." 

"Oh, already?" 

Yoo Sehee hurriedly collected the condoms. She also retrieved the condoms hanging from her and Baek Yujin's nipples, then pushed on the wall to reveal a hidden door. 

"Oh, there was a door here." 

"Of course. We need a specialized storage facility to preserve the semen." 

Yoo Sehee explained as she took out a box from inside. It looked like an ordinary first aid kit on the outside, but when opened revealed a metal interior. 

"If we store it here, that's really the end." 

"You worked hard, Sehee." 

"It was my pleasure. I'm so glad oppa called for me." 

Though just politeness, Sehee's words made me happy. Now that the measurement was over, it was time to leave. But I grabbed Sehee's buttocks. 

"Eek! Oppa?" 

"Sehee, you're not satisfied either, right?" 

"..." 

There was no answer. But when I rubbed my dick between her thighs, faint moans escaped. After just a few rubs, Sehee's pussy was already wet. This means Sehee wants it too. 

"But you've already ejaculated 4 times. We shouldn't overdo it or you might become obsolete." 

"Sehee, don't you trust me?" 

"No, that's not it. Ungh!" 

"Yujin, you're listening too right?" 

I called out to Baek Yujin who had been pretending to be unconscious while listening to everything. She suddenly sat up and approached as if nothing had happened. 

"To be honest, I agree with Sehee. If a dick like oppa's becomes obsolete, that would be a national loss." 

"But I want to do more." 

"D-don't rub against my pussy while saying that!" 

The reason they're refusing me now isn't because they don't want to, but because they're worried I'll become obsolete from excessive ejaculation. But there's no need to worry. I showed them a photo on my phone. 

"Look at this." 

"Oh, are you pregnant?" 

"No." 

What I showed was a nude photo of my sister taken before she left for work. Her large belly swollen like she was full-term. My sister looked happy as she lovingly caressed it. 

"This is all my semen." 

"What?" 

"Really, just from semen?" 

At that moment, the gyaru duo's eyes changed. They had refused due to the risk of obsolescence, but if I could ejaculate this much, maybe it would be okay. Their eyes changed to those of females craving affection. I touched their buttocks again and made another proposal. 

"Then can you take care of my dick?" 

The two smiled and answered: 

"Of course." 

"That's common sense after all." 

*** 

At the measurement center's reception desk. Though she normally wouldn't have time for this, since both girls were away at once, the nurse had no choice but to cover the reception desk for them. 

'When are they coming back already!' 

The nurse covering the reception desk, Yoo-jung, vented her frustrations internally. Four hours had already passed since the measurement started. Yet there was still no sign of the two returning. Surely they weren't slacking off somewhere under the guise of measuring? Though her anger led her to consider such accusations, that wasn't the only reason Yoo-jung was upset. 

'Ugh, I'm confident I could take a dick well too.' 

Thinking of the two happily getting pounded by a dick right now, the area between her thighs grew wet. With no other choice, she took out a dildo hidden under the reception desk. It was originally from Yoo Sehee's dildo collection, but Sehee wasn't petty enough to complain about borrowing it briefly. 

'Oh, this is that textured dildo that sold out before I could buy it last time. I'll use this.' 

Happy to find a dildo she'd wanted, Yoo-jung placed it on the chair and slowly lowered her hips. 

"Ungh!" 

Though she moaned from its unexpected size, it slid in smoothly thanks to how wet she was. Once she had fully taken in the dildo, she began masturbating in earnest. 

"Ohh! Ahh! Unghh!" 

Moaning vulgarly like an animal, she gripped the chair and bounced her hips repeatedly. Fluids sprayed everywhere each time the dildo entered. Her face contorted in pleasure from the overwhelming sensations. Just then, along with heavy footsteps, the two people Yoo-jung had been waiting for returned. But something seemed off about their appearance. 

'Huh? Are they pregnant?' 

Their bellies were so swollen they looked full-term. Could someone become full-term in just a few hours? Though possible with special equipment, the measurement center didn't have such expensive devices. For some reason, the two were carrying large containers and stood in the center. 

"Everyone please look here!" 

"We're starting an event now!" 

Suddenly announcing an event, the two placed containers between their legs. Then they took position. 

"Unghh!" 

"Ohhh!" 

'Is that all semen?' 

Splurt! Splurt! Splurt! Splurt! 

Thick semen sprayed from their pussies. At the same time, their swollen bellies deflated. It looked to be about 5L each at a glance. The fact that it remained thick from start to finish showed it was top quality semen. The pungent smell of semen could be sensed even from afar. Thanks to that, everyone's attention was drawn to the semen. Though their bellies had flattened after expelling all the semen, strangely the two didn't move away from the containers. 

"Hehe." 

"Whew..." 

Then yellow streams sprayed from between their legs. Unfortunately it went into the containers that had held the semen, causing everyone to sigh in disappointment. 

'What a waste. It'll get diluted.' 

Though disappointed for a different reason, that didn't matter. Even mixed with their urine, the semen was still highly valuable. The two then exchanged containers and filled beer mugs with the semen. 

"Cheers Yujin!" 

"Cheers." 

The two immediately began drinking the urine-mixed semen after toasting. 

"Gulp! Ugh! Gulp!" 

"Gulp! Gulp! Gulp!" 

Glug glug glug glug! 

The thickness could be sensed even from the gulping sounds. How concentrated must it be to make such sounds despite being mixed with urine. Yoo-jung swallowed her saliva as she watched. 

Splash! Splash! Splash! 

The two came from the smell of semen alone. 

'Ugh, I'd probably cum too if I drank such thick semen.' 

The two continued masturbating while drinking the semen. But it wasn't enough. No matter how much she bounced her hips, it didn't feel as good as those two. As the semen gradually decreased, the two finished their mugs and opened their mouths. 

"Burp!" 

"Urp!" 

A thick semen burp befitting the concentrated semen. Though they seemed careless at work, the two clearly knew their manners. They then refilled the mugs with semen and called out to everyone. 

"We'll be sharing the semen now!" 

"But it's limited, so first come first served!" 

As soon as they finished speaking, people rushed towards the two. Yoo-jung was among them of course. 

"Girls, just one glass for me!" 

"Here you go unni. Thanks for covering the reception desk for us." 

Yoo Sehee handed over a mug full of semen with a bright expression. Yoo-jung accepted it with an equally bright face and returned to the reception desk. 

'Oh! This is dangerous. I feel like I might cum just from the smell.' 

The scent was so strong it was hard to believe it was mixed with urine. Unable to hold back any longer, Yoo-jung inserted the dildo and tilted the mug. The consistency was so thick it almost got stuck in her throat. If it hadn't been mixed with urine, it might have choked her. 

'Thank you girls. Thanks to you I can enjoy drinking this.' 

Expressing gratitude to the two, she gulped down the semen without hesitation. 

Squelch! Squelch! Squelch! Squelch! 

Even amidst this, she kept bouncing her hips repeatedly. 

As the semen decreased, her hip movements became more intense. 

Finally, when the bottom of the beer mug became visible, 

She put down the mug and opened her mouth. 

"Burp!" 

Splash! Splash! Splash! 

Yoo-jung sprayed fluids along with her semen burp. 

The reception desk was already soaked like a water park. 

No one blamed her for it. 

More precisely, there was no one left to blame her. 

"Semen! Semen!" 

"It tastes delicious to death!" 

"I'm cumming! Cumming again while drinking semen!" 

The others were already just like Yoo-jung. 

Everyone was cumming while drinking semen. 

Yoo-jung smiled contentedly at the sight. 

'I wonder if they'll come again next time.' 

Though the measurement was already over, 

She sincerely hoped they would visit again next time. 

Read this novel and many more on p@treon.com/riser