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Chapter 255 – The Identity
The next day, during lunch, Yeonhee, Jisoo, and even the team leader joined me for a meal. Now that the investigation was complete, Yeonhee seemed ready to reveal who had been secretly listening and masturbating next door during our sex sessions.
"Um… well…" she began hesitantly.
"Who is it?"
I couldn't understand why Yeonhee was pausing, but the words she finally spoke were enough to shock me.
"The person who was watching… it's Sojin."
"...Huh?"
"S-Sojin?!"
"I never thought she would do something like that…"
I was too stunned to speak properly. The team leader and Jisoo looked equally surprised.
"So-Sojin!?"
"Based on the CCTV near my office, the only person who went to that bathroom besides Joohyun was Sojin," Yeonhee explained.
'Sojin was secretly listening and even masturbating next door!?'
If it had been some random woman, I might not have been so shocked. But it was Sojin, of all people—the sweet, innocent girl I had considered like a little sister—who had been lewd enough to masturbate while hearing me have sex with other women.
The image I had of Sojin was that of an introverted, timid, yet pure girl.
Of course, aside from the time we had spent together as children, I barely knew her. Even so, learning that someone I had thought so pure could be such a pervert hit me like a thunderbolt.
If it had been a stranger, I wouldn't have paid much attention. But it felt different knowing that Sojin could be this kind of pervert.
"Should we just pretend we don't know?"
"Well… this is…"
I was still reeling from the shock of realizing that the person masturbating in the next stall was someone I considered a close younger sister.
The thought of having sex with the team leader, Jisoo, and making lewd noises while she was next door—without knowing it was her—made me unable to lift my head.
"I actually think it's a relief that it's Sojin."
"I feel the same way."
Jisoo and the team leader looked surprised that it was Sojin, but they said it was a relief. I couldn't quite understand their reaction.
"Sojin likes you, you know."
"Sojin likes me?"
"I didn't know you were that oblivious."
"Yeah… It's so obvious even from the sidelines…"
"I also think the CCTV footage confirms that Sojin likes you."
"...…"
It seemed like everyone except me had already noticed. Even Yeonhee, who had only seen the CCTV footage briefly, nodded in agreement with the others. That surprised me even more.
"Could it be…"
"You didn't notice that?"
"Honestly, I knew right away on the first day, but I never thought you'd be completely clueless…"
"I think he is a bit dense in this regard."
The three women seemed dumbfounded by my denial. Apparently, there were things that were obvious to women but completely invisible to me.
'Sojin likes me… I thought she just saw me as an older Oppa…'
We had not seen each other for a long time after being separated as children, so I never imagined that she would harbor such feelings for me.
"But what do you mean it's a relief that it's Sojin?"
"Well, she's someone we know. If it's her, she wouldn't spread rumors to anyone else."
Because of her introverted nature, Sojin had very few close friends in the company. Even if she happened to know a secret, she was not the type to spread it around, so there was nothing to worry about.
'Still, it felt strange knowing that Sojin was aware of this…'
It was a complicated feeling, knowing that my close younger sister had been listening to my sex sounds. She was such a lewd woman that she would masturbate next door.
"Hmm… Joohyun, do you have no feelings for Sojin at all?"
"Huh? No, she's just a close younger sister…"
"Hmm… then why do your eyes sometimes wander to her chest when you're working?"
"W-what? No, I haven't done that!!"
"Well, with a chest like that, it's natural for everyone to look… especially someone like you."
Starting with Yeonhee, Miyoung and Jisoo also spoke as if I truly saw Sojin as a woman, and that left me feeling a little flustered.
Sojin was just a close younger sister, and I had never seen her as a woman… Well, to be honest, I had stolen a few glances at her chest, but still…
Anyway, I told them that it wasn't the case, but they all looked as if they didn't believe me.
"Then, let's decide after watching this."
Swish…!
She opened her laptop to show me something, and it was a video of Sojin.
Squish...Squish...Squish...Squish...
– Ahh♥ Haaah♥ Oh, why aren't they here today♥ Haaah♥
"Is this…"
"Yes, it's a live video."
It seemed that they had secretly installed a camera in the bathroom. The video was showing Sojin masturbating in an empty bathroom.
Sojin was sitting on the toilet with her legs wide open while pleasuring herself with her fingers. There was a lewd smile spread across her face as she was moaning with pleasure.
"Gulp…"
– Today too, haah♥… I was going to masturbate while listening to the s-sex sounds♥… Aahhh…♥!
She was an obscene woman who wanted to indulge in lewd sounds and smells. She was unaware that the person having sex next door was me.
The Sojin I once knew, timid, introverted, and pure, was gone. In her place stood a lustful woman, and I swallowed hard as I watched her.
Her large breasts were concealed beneath her clothes, yet their size was almost the same as Yeonhee's. They were something any man would naturally be drawn to.
As she masturbated, her hips swayed, and her breasts jiggled along with them.
"Considering you said she was just a younger sister… You're reacting quite honestly here♥~"
Swish…
"Really… How many more women are you planning to add, Joohyun?♥"
Yeonhee and Miyoung slowly lowered my pants and took out my dick. As my dick grew, it proved that I saw her as a woman, not just a younger sister.
"I like Sojin… Unlike the other sluts here, she truly loves you… because she is such a cute girl."
"Ugh… Master??!"
"Shut up and get ready to receive my cum with your mouth open."
"Ugh♥… Yes, Mistress♥"
Upon hearing Yeonhee's words, Jisoo, who had been sitting quietly, immediately knelt down in front of me.
She opened her mouth wide and waited.
Jisoo hated men, so she pretended not to know. However, upon her mistress Yeonhee's command, she immediately prepared to fulfill her role as my cumdump.
Tap Tap Tap Tap Tap Tap Tap Tap
"Haaah♥ Slurp♥ Ugh♥"
"Haa♥ Slurp♥ Slurp♥"
As the two sluts were sucking my dick, I couldn't take my eyes off the video.
I was shocked to see that Sojin, whom I thought was pure, was such a lewd woman. My body was heating up as I watched her.
I was starting to see her as a fuckable woman, not just a younger sister.
'Was Sojin this lewd?… And she likes me?'
I was enjoying the luxury of using the three women for masturbation, with Sojin as an added bonus, but it had become normal. So I was getting even more excited as they were servicing me.
"Sojin will want to be like us too~"
"That's right♥… Even I ended up becoming Joohyun's female whore, after all♥"
Yeonhee and Miyoung had once been considered relatively normal women. If they had met good men, they could have lived peaceful and ordinary lives.
But after meeting me and being trained, they awakened their masochistic instincts buried within them and eventually turned into lewd women.
Jisoo didn't fully obey me, but Yeonhee had transformed her into my masochistic cumdump. Ultimately, though, she was living a happy life.
'Sojin too?'
I had already turned many women into mine, but my greed did not stop there. Now, I also wanted to make Sojin my personal cum whore.
Listening to the flattery of the ultimate women like Yeonhee, Miyoung, and Jisoo, I felt an even stronger desire to claim another woman.
That dark craving grew inside me, and it made me see Sojin not just as a younger sister, but as a fuckable whore.
"Everything is ready… What will you do? ♥"
As if she knew what was in my heart, Yeonhee said that everything was ready, and I nodded. At that moment, I ejaculated onto Jisoo's face.
It was as if I was cumming on Sojin, who was in the video…
…
…
[POV Change]
'Ugh… I… I masturbated alone today…'
Sojin felt embarrassed when she remembered that she had only masturbated alone, not even having sex next door. Yet it had been the first time she had done such a thing at work, and it left her with a mix of guilt and thrill.
'B-but it was good♥'
When she came to her senses, she grew even more embarrassed. Still, it was the first time she had committed such a bold act of masturbation alone, and she could not deny that it had felt good.
After leaving work, Sojin went home while looking forward to hearing the couple next door again tomorrow. On her way back, she received a text message.
Thinking it was from her adoptive parents, she casually checked but then froze in place.
The message contained a picture of her masturbating in the bathroom earlier that day.