Chapter Index

    118

    Siwoo touched the speaker button on the smartphone screen he was holding during a call.

    The call with his mom switches to speakerphone.

    Siwoo placed his smartphone right near Sehee’s ear.

    Then, he takes his now-empty hand, which had been holding the smartphone, and puts it on Sehee’s crotch.

    Siwoo thoroughly soaked his palm with the slippery lubricant flowing in Sehee’s crotch.

    Siwoo, as if spreading the lubricant from his soaked hand, grabs his penis and slowly starts masturbating.

    -Slap! Slap! Slap! Slap! Slap!

    The sound of skin hitting skin echoed in the quiet stillness with his mom.

    His mom is just listening to the lewd sound Siwoo is making, without any response.

    “Mom?!”

    Siwoo calls out to his mom while continuing to masturbate.

    “Uh…huh…?”

    His mom, who seemed spaced out from the sound of masturbation along with Siwoo’s call, answered as if startled.

    -Slap! Slap! Slap! Slap~! Slap~! Slap~! Slap! Slap! Slap!

    Siwoo deliberately adjusts the sound by changing the speed of the hand masturbating, so his mom can hear it.

    His mom’s breathing getting slightly heavier.

    “Hmm~ what are you doing?”

    Siwoo asks, urging his mom to make a sound, as he continues to masturbate.

    “Jus…just getting ready to sleep~”

    His mom stutters as if flustered, and answers Siwoo.

    “Seyoung is sleeping well next to you without waking up, right?”

    Siwoo was talking as if to divert his mom’s attention, without stopping the hand shaking his penis.

    “Yeah…sle…sleeping well!”

    His mom tries hard to answer Siwoo’s question faithfully.

    “Sehee also seems to be sleeping well next to me~”

    Siwoo says, squeezing and kneading Sehee’s large breasts with the hand covered in semen.

    “Heeeuuu~”

    Sehee’s moans faintly leaking out.

    Siwoo moves his hand, which is on Sehee’s chest, near Sehee’s groin.

    The upper part of the split crevice…

    Siwoo finds the sensitive, protruding red bump and spreads the semen on his hand around it.

    Sehee was slightly shrinking her body and looking at Siwoo with a pitiful gaze.

    She seemed worried about pregnancy because of the semen on his hand.

    Siwoo puts Sehee’s clitoris between his index and middle fingers and gently rolls it.

    “Heeeuup~ Haaaht!”

    Even though he only gently pressed and rolled it, a rough, suppressed gasp burst out of Sehee’s mouth.

    Sehee’s body seemed to be heated up to that extent of sensitivity.

    Sehee turned her head in the opposite direction from where the smartphone was placed.

    It seemed she was trying to prevent her voice from entering Siwoo’s smartphone microphone as much as possible.

    -But it looks like a futile action…-

    -Slap!! Slap Slap!! Slap Slap!! Slap Slap!! Slap!!

    Siwoo’s hand holding his penis is shaking with more violent and rhythmic movements.

    “Seyoung is sleeping well, so Mom! Can we do what we did earlier again now?”

    Siwoo said to his mom, lowering his voice as much as possible as usual.

    “Huh? Wh…what?”

    His mom answers as if she just snapped out of it.

    “Don’t you remember? What we just did a little while ago!”

    Siwoo says to his mom with a slightly mischievous tone.

    Siwoo was thinking of making his mom masturbate again during the call, as he had done before.

    “Th…that, what was it that we did just now?”

    His mom is asking back as if she really doesn’t know.

    As if frustrated, Siwoo takes his hand off Sehee’s clitoris and picks up his smartphone.

    Siwoo closes the call screen on his smartphone and opens the chat window to write a text message to his mom.

    ‘Masturbate! You fucking bitch, Nah Sunmi! Why are you pretending not to know when you know?’

    Siwoo’s forceful order, curse, and scolding text are sent to his mom.

    Soon, the 1 next to the text disappeared.

    “Haaaaa~”

    His mom sighs softly and then has no reaction for a while.

    “Mom~?”

    Siwoo calls his mom as if nothing happened.

    “Yeah?”

    His mom answers, unintentionally matching Siwoo’s tone.

    “Do you remember now?”

    Siwoo was asking his mom in an innocent tone.

    “Uh? Uh. Yeah, I…I remember.”

    His mom answers, stuttering as if slightly confused.

    “Are you going to do it?”

    Siwoo was asking his mom with the feeling of cornering prey into a dead end.

    Siwoo continued to masturbate and waited for his mom’s answer.

    -Slap! Slap! Slap! Slap! Slap!

    Each time he vigorously shook his hand up and down, making a loud sound of skin hitting skin in his groin, a precarious sensation of pleasure seemed to spread throughout his body.

    **

    A little time passed, and his mom’s text arrived.

    ‘Siwoo~ but do I have to do it now? Sehee is sleeping next to you, right?’

    His mom is troubled by Siwoo’s order.

    His mom was worried and asking if she was concerned about Sehee.

    ‘Hey, you fucking cunt, you whore! Who told you to talk down to your master like that? Use honorifics and properly call me master!!’

    Siwoo sends a text message threatening his mom.

    “Heeeuuu…hee eu…”

    The sound of his mom’s sobbing, excited breathing was flowing out of the smartphone after the 1 disappeared.

    “Mom, are you okay?”

    Siwoo asks, feigning ignorance with a kind tone.

    “Uh? Uh… I’m…I’m okay~”

    His mom answers, her voice trembling with embarrassment.

    “Are you worried about Sehee?”

    Siwoo asks his mom for no reason.

    “Th…that’s…you said she’s sleeping right next to you?”

    His mom says, seemingly troubled.

    Siwoo writes a text message in the chat window again.

    ‘We talked on the phone after looking at Sehee and Sunjoo’s pictures! You fucking bitch! Why are you pretending and acting innocent!’

    Siwoo was verbally abusing his mom again with harsh words in a text message.

    His mom is unable to say anything in the chat or on the phone.

    “Wait a minute, Mom~!”

    Siwoo says that to his mom in a sweet and friendly tone, then stops masturbating and goes to Sehee.

    Siwoo gently pushes Sehee’s body with both hands to make her lie on her side.

    Sehee obediently follows Siwoo’s touch.

    Sehee is now lying on her side, facing the opposite direction from where Siwoo is.

    Sehee’s body slightly bent as if leaning forward.

    Sehee’s bare skin of her back, waist, and butt were being shown to Siwoo.

    Sehee had been spanked by Siwoo all the way from the stairs to the room.

    Sehee’s butt was swollen and red.

    Siwoo puts his hand on Sehee’s butt and gently rubs it.

    Sehee seemed to be anticipating what Siwoo was about to do and was trembling little by little.

    Siwoo was thinking of letting his mom hear the sound of hitting Sehee’s butt along with Sehee’s moans.

    Siwoo raises his hand high and then slaps Sehee’s butt as is.

    -Slap! Slap! Slap!!

    “Haaaht! Heeeuuht! Haaht!!”

    Sehee’s groans, which seemed painful along with the firm plosive sound, resounded in succession.

    Siwoo caresses Sehee’s butt.

    “Heeeuuu”

    Sehee moans as if in agony, burying her face in her arm.

    “Mom?”

    Siwoo calls out to his mom again.

    “…Uh?”

    His mom was making a sound as if reflexively responding to Siwoo’s words.

    “I told you, you don’t have to worry about that kind of thing anymore~!”

    Siwoo was saying as if reassuring his mom.

    Siwoo is waiting for his mom’s reaction while stopping his movements.

    Now, neither the sound of masturbation that Siwoo was making nor Sehee’s moaning sounds can be heard.

    Siwoo’s thing is throbbing as if it will burst at any moment.

    “Haeueee…eu~”

    His mom’s trembling sigh, which sounds long, is heard from the other side of the smartphone’s receiver.

    Siwoo focused all his attention on the sound coming from the smartphone.

    He was waiting for his mom’s answer, but his mom seemed hesitant about something and had a quiet moment of silence again.

    ‘You fucking bitch!! Why aren’t you answering quickly?’

    Siwoo is demanding an answer from his mom while cursing in a text message.

    -Slap!

    “Heeueuk!”

    -Thwack!!

    “Haaaak!!”

    Siwoo started slapping Sehee’s butt with his palm several times again.

    Siwoo was hitting Sehee’s butt with the feeling as if he was threatening with a hostage.

    Siwoo’s hand stops again.

    “Si…Siwoo~!”

    His mom’s urgent voice is heard on speakerphone.

    “Yeah~?”

    Siwoo answers right away.

    “You’re keeping the promise you made with mom before, right?”

    His mom asks Siwoo with a desperate voice.

    “Yeah?”

    Siwoo answers, replying as if asking back after hearing his mom’s words.

    “Yo…you can change me back into mom later, right?”

    His mom is saying to Siwoo as if confirming, with a feeling of pleading and begging.

    “Ah~~ yeah! Of course.”

    Siwoo answers with a calm voice, as if he understood.

    At that moment, something irreversible seemed to be collapsing inside his mom.

    **

    A little later, a text message arrived from his mom.

    ‘I will do everything you tell me to do now, Master~ Please forgive me just this once.’

    It was his mom’s text message as if declaring obedience, using Sehee as an excuse.

    Siwoo was staring blankly at his mom’s text message, which he couldn’t believe even after seeing it, for a while.

    ‘Squeak! Squeak! Squeak!’

    “Haaak! Haaht! Heueuk~!”

    Soon, the sound of damp rubber rubbing and moaning sounds are heard from Siwoo’s smartphone.

    His mom, who had never called Siwoo “Master” even once…

    That mom is now sending a text message calling Siwoo “Master,” declaring obedience, and masturbating according to Siwoo’s orders.

    Siwoo felt like he was losing his mind.

    A shiver as if he was electrocuted was flowing through his body.

    Siwoo soon came to his senses and placed his hands on Sehee’s shoulders and butt.

    Sehee’s body also seemed to be trembling as she reacted to his mom’s masturbation sounds.

    Siwoo puts Sehee’s body back on her back.

    And he puts Sehee’s hand on Sehee’s crotch.

    Sehee’s hand starts to move on its own.

    Siwoo also starts to shake his penis while holding it.

    -Squeak! Squeak! Squeak!

    -Slap! Slap! Slap! Slap! Slap!

    “Haeueung!” “Heut!” “Hang!” “Haeueung~!”

    The room was being filled with the unrestrained, lewd sounds of flesh and groans of a mother and her sibling.

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