Throughout the weekend, Deokbae kept sending Siu pictures and videos of Heera, and Siu masturbated to them. To think that he was masturbating to his crush having sex with a friend... Siu found himself loathso and pathetic.
He hated Deokbae for using these images as masturbation material. He detested how Deokbae didn't treat Heera with care. He found it strange how Heera didn't resist. He felt betrayed by Heera, who moaned vulgarly like a porn actress.
Yet, whatever they did, Siu had no right to intervene. All he could do was jerk off.
"Ha ha... This is just pathetic..."
Siu had liked Heera because she was different from other girls. Unlike his classmates who only cared about dressing up and partying, Heera was diligent and innocent. Siu had thought her purity was beautiful.
But now, Heera was...
"Uhng, haa... Like this? Huh, haah! Hot, haaa!"
She had beco a vulgar pervert, riding Deokbae and moving her hips on her own.
Tornted by this reality, Siu grabbed his re-erected penis.
Siu, too, could not deny that he was a pervert.
====
Over the weekend, he had her again and again, and took photos and videos to send to Siu, telling him, "If you're bored, jerk off to this." Though there was no reply, the "1" disappearing indicated Siu was likely busy masturbating.
"Heera, suck off one last ti."
"Fuck... You're taking pictures again?"
"Of course. We need to docunt our precious monts."
"Pervert..."
Just after finishing inside her, with her privates still ssy from both their fluids, Heera grudgingly but diligently sucked him off. Initially resistant, she seed resigned now and followed his instructions.
"Yawn, sst, slurp, haa... huh, euh, sswup, pah..."
Thanks to that, her oral skills had improved significantly. Despite complaining about teaching her such things, Heera practiced them diligently. She seed eager to be praised, sucking even harder when her head was stroked as if her desire for approval was strong.
-Click-
And thanks to that, he could take such arousing photos. Comparing yesterday's pictures with the before and after, he felt they were even more arousing.
"Heera looks the third prettiest when sucking dick."
"...Slurp, ha... ssp, juup..."
"The second is when she's getting fucked by my dick."
"Huh... Can you shut up?"
"The first is right now when you're cursing. So fucking hot. I can't help it. Let's do it one more ti, Heera."
"Wait, no! Stop it! Ah, noo! Ugh, haah!"
She verbally resisted but her body did not. At this point, Heera was completely fallen... Yet he still hadn't achieved Grade A. He thought it would end quickly, but it kept dragging on.
"Aah! Stop, ha, raah, huuh... gooo! Aaah!"
More?
====
"Hi Heera..."
"Ah, Siu... Hi... How was your weekend...?"
Siu and Heera, classmates in the sa major, shared three classes together. Naturally, they often ran into each other in the lecture hall.
"Yeah... I heard. You're dating Deokbae? ...Congratulations."
"Uh, yeah..."
The problem was that they always sat next to each other. While they used to sit together with excitent and anticipation, now they couldn't concentrate due to the awkwardness.
For Heera, it was difficult to look at Siu. Whenever she saw him, she rembered the ti spent with Deokbae over the weekend. Despite still liking Siu, she felt too miserable for allowing herself to be with Deokbae and couldn't et his eyes.
For Siu, it was hard to look at Heera. Whenever he saw her, he rembered the masturbation material Deokbae sent. Despite still liking Heera, he was embarrassed by masturbating while watching them have sex, and couldn't et her eyes.
Therefore, they exchanged greetings but couldn't bring themselves to say more. The lecture ti felt excruciatingly slow, tornting them both.
-Clunk-
Suddenly, Heera stood up and left the lecture hall. Siu thought she might have gone to the restroom, but even after 10, then 20 minutes, Heera didn't return. Worried she might be unwell, Siu beca concerned.
-Zzzing-
But it wasn't for that reason.
[Deokbae: I'm fucking Heera.]
[Deokbae: Sent a video.]
Heera had gone out to et Deokbae.
Siu checked his surroundings, lowered his posture, and secretly saved the video. Then he muted his smartphone and played the video.
"Ugh..."
In the video, Heera was being fucked by Deokbae in a cramped restroom stall.
"...Aaah..."
Naturally, Siu was aroused. He felt like his dick might burst and thought about going to the restroom to relieve his urge.
But then
-Slide-
Heera returned to the lecture hall.
"..."
Her hair damp with sweat, clothes wrinkled, face flushed, and a lewd sll... A woman who had just had sex sat next to him.
-Zzzing-
Another ssage from Deokbae.
[Deokbae: Sent a photo.]
It was a photo of Heera's vagina dripping with Deokbae's sen.
*****
Siu couldn't bring himself to ask Deokbae to stop. He had beco addicted to the masturbation material provided by Deokbae.
From Heera masturbating in a corner of a cafe's second floor, to performing fellatio in a deserted karaoke room, to her riding him in his own apartnt—Deokbae continued to send such ssages, and Siu would head to the bathroom whenever they arrived.
A week passed, and Siu found himself unable to achieve an erection without Heera's photos or videos.
"Ah! Yes! Fill up! Impregnate !"
But as days passed, the stimulation from Heera weakened.
The Heera he knew—pure, who dyed her hair, exposed her bare legs, and flirted with cute smiles—was no longer the girl he knew. She had beco like the won he despised.
In the videos, Heera had changed drastically within a week. From a virgin just awakening to her sexual desires, she had turned into a woman who couldn't live without sex. The shy moaning Heera was nowhere to be seen.
As his feelings for Heera faded, Siu found himself not as aroused by the videos of Heera having sex. He needed new stimulation.
So, he sought out new encounters. Yejin was different from Heera.
Unlike the introverted Heera, Yejin was vibrant and a social butterfly, surrounded by friends. Yet, like Heera, she blushed and was shy at any sexual talk, an innocent virgin.
Siu was drawn to that and quickly befriended her. This ti, he didn't miss his chance and confessed; they easily started dating.
But... oddly, he couldn't get aroused with Yejin. Even after taking her to a motel and undressing her, he couldn't maintain an erection.
Yejin tried to comfort him, but it was no use. The only thing that did comfort him was the video of Heera stored on his smartphone.
"Co on, fuck … quickly, fuck my pussy, make co!"
Though Heera no longer provided enough stimulation, strangely, this video still excited him.
"...Ah... So that's what it was."
After reaching a post-ejaculation epiphany, Siu figured out the reason and imdiately contacted Deokbae.
"Deokbae, can you take Yejin too?"
Sending the ssage, Siu was more aroused than ever.
====
[Mission Clear!] [Result: Grade A, Points Gained: 14800] [Achievent Unlocked: 'Developing the Protagonist's NTR Fetish'] [Clear Reward: 'Sleep' Skill]
Siu had moved on from Heera and made a new girlfriend, and just when Deokbae thought he had ssed up, he received a notification of achieving Grade A. Curious as to why, he soon received a ssage from Siu asking him to sleep with his girlfriend. Showing Siu daily videos of Heera being taken seed to have broken him.
Having achieved his goal, Deokbae decided to return to reality instead of taking Siu's girlfriend, as ssing with the obedient Heera had beco less interesting. There was no reason to stay longer.
But... 'Developing the NTR Fetish'? Oh Siu, you really are a peculiar one.
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