Chapter 105: Chapter 105

After breaking up with Seyoung, Siwoo was walking home silently with his sister Sehee.

The two were walking at a slight distance from each other.

Siwoo no longer covered his front with a plastic bag.

-Maybe he thought it no longer made sense to cover up in front of sister Sehee…-

Siwoo was strutting his impressive and formidable presence in front of Sehee.

When you think about it, Siwoo no longer had any reason to hide his erection in front of any of his family.

He had already had sex with his mom and their relationship had progressed to the point where they could jokingly engage in submissive play over chat.

-Although he kept his relationships with Aunt Seonju and sister Sehee a secret from his mom-

Siwoo had had sex with Sehee several times in recent days, and she had even volunteered to help him with his sexual urges.

Moreover, Siwoo’s unspoken secrets were almost forcibly shared between them.

Not to mention Aunt Seonju and Sua.

Siwoo believed he could call on Aunt Seonju or Sua anytime he wanted and demand sex.

-Maybe with sister Sejin too…-

And now Seyoung had also become a sexual subject for Siwoo to confront.

With these thoughts, Siwoo moved the bag aside and walked, showing his aroused state to Sehee.

At some point, Sehee stopped rubbing her thighs on the street.

It seemed she no longer cared much about showing Siwoo her dripping excitement.

**

While walking silently, sister Sehee said,

「Siwoo…」

She called out Siwoo’s name as they walked.

-Looking downwards in front of her-

「Hmm~!?」

Siwoo answered her in a casual tone.

「About Seyoung earlier…」

Sehee trailed off.

「Seyoung… what about her?」

Siwoo asked, expecting her to continue.

「You and I…」

She hesitated again, seemingly deep in thought.

「With me?」

Siwoo urged her for an answer.

「No, nothing…!」

In the end, Sehee couldn’t continue.

Without asking…

Even without hearing an answer…

What Siwoo wanted…

What Siwoo was going to do…

If it was sister Sehee, who shared all the secrets between Siwoo and his family, she would know.

Sehee chose a moment of silence without waiting for an answer from Siwoo.

As she walked and her legs crossed, the gloss of lubricant flowing down Sehee’s thighs excited Siwoo.

**

Upon arriving home, Sehee went straight to her room upstairs without looking back.

Siwoo watched the back of Sehee going up the stairs, her erection prominently visible.

Her erotic body, not fully concealed by her school uniform, tempted him until she was out of sight, and only then did Siwoo move the plastic bag to the kitchen.

He began to unload the items in the bag onto the kitchen table.

Siwoo thought he could pounce on Sehee at any moment.

Even now, he could go up to Sehee’s room on the second floor and press her down for a forceful encounter.

Just the thought of such unconventional and about-to-be realities made Siwoo’s body heat up even more.

**

Sehee came down the stairs with clothes to change into.

「I’m going to shower first, Siwoo. You wash the lettuce and vegetables, okay? And there’s a meat grill and a gas burner inside, so find and set them up! Got it?」

After spilling out prepared words, she quickly escaped into the changing room.

「Got it~」

Siwoo thought Sehee looked so adorable.

Siwoo also went upstairs to change clothes and came back down to the kitchen.

He washed the vegetables as instructed, placed them on plates, and set the grill and burner on the table.

The sound of the shower could be heard from the bathroom.

Siwoo sat quietly at the table, focusing on the sound.

The wet naked body of Sehee.

The slippery touch of soap-coated skin.

And the moans that seemed to scream every time Siwoo’s enormous thing moved back and forth.

The sound of the shower alone brought back vivid fragments of the lewd acts they had engaged in that morning.

Siwoo felt a strong impulse to burst into the shower and rape Sehee just like this morning.

The sadistic impulse he would feel every time his mom and Seyoung were not at home.

**

Siwoo took out his smartphone.

And then another target of sadistic desire, his mom, to whom he sent a message.

‘Mom, what are you doing?’

Siwoo used the term 「mom」 in his text.

‘Just preparing food~ What are you doing?’

‘I’m getting ready to eat.’

‘Sehee?’

‘She’s showering~’

‘Did you and Sehee do the grocery shopping properly? Did you forget anything?’

‘Yeah~ I checked the shopping list you sent and got everything at the mart.’

‘Good job~ How’s your leg, Siwoo?’

Mom asked about Siwoo’s injured leg.

‘Leg?’

‘Didn’t you hurt it while jogging this morning?’

‘Ah~ that? Haha’

‘Your mom was really shocked when she heard that from Sehee~’

Mom completely believed the lie spun by Sehee.

‘It’s fine~ It hurt a bit yesterday but it’s all good now!’

Siwoo lied, aligning with what Sehee had told.

‘Be careful~!!’

Mom seemed unusually busy than usual.

‘Yeah, got it~ But mom, are you worried about me?’

‘Of course! Wouldn’t I be worried if my son was hurt?’

‘Weren’t you doubting me?’

Siwoo teased his mom.

‘What?’

‘Mom, you didn’t believe me and checked with Sehee, huh? Hahaha’

Remembering the morning’s conversation and playfully teasing.

‘It’s not that I didn’t believe you, I just checked with Sehee~’

Mom was making excuses, knowing there was nothing she could do.

‘Anyway!! I checked and told her to handle it if not?! Are you ready to be punished, mom?’

Siwoo suggested the planned play for the morning.

-Authoritatively-

Mom hesitated before responding.

‘What preparation could there be? What are you planning to do this time?’

Mom sounded slightly whiny, having resigned herself.

‘Today on the way home with Sehee, I met Seyoung and Sua.’

Siwoo suddenly brought up Seyoung.

‘Did you meet them while they were walking the dogs?’

‘Yeah, the puppies were so cute~’

‘Puppies are always cute.’

‘Seyoung seemed like she wanted to adopt one.’

‘Mom’s been hearing about that every time Seyoung gets a chance.’

Mom spoke as if she knew.

‘So why not just let her keep one? Aunt Seonju said she’d give one for just the vaccination fee, right?’

Siwoo was persuading his mom.

‘Is that the punishment?’

Mom asked, suddenly puzzled.

‘Huh? Why would that be a punishment? I’m just asking.’

Siwoo spoke coyly.

‘It’s just, you were talking about punishment and then brought up puppies.’

‘Don’t worry about the punishment; I’ll take care of that~!! So will you do me this favor or not?’

Siwoo asked his mom in a domineering manner.

Lately, mom had not refused Siwoo’s requests or commands.

-In chats or in reality-

‘How could I refuse when you ask like that? Mom can’t say no, right?’

‘Hahaha’

Siwoo chuckled awkwardly.

‘Sigh~ Okay!! How did I end up agreeing to this~!’

Mom lamented as if regretting her decision.

‘Thanks~ Seyoung will be happy~ But mom, I also want to adopt one this time, is that okay?’

Siwoo was formally starting to give his mom a symbolic punishment.

‘What? You want to keep two?’

Mom spoke as if it was ridiculous.

‘No~ I want to keep a different kind of pet…’

‘A different kind?’

「Yeah…」

’…What kind?’

Mom asked cautiously, sensing something.

「Wait!!」

Siwoo entered the smartphone’s address book to find the stored number for his mom.

Mom’s number saved under the name ‘My Mom.’

Siwoo’s hands trembled as he touched the edit button in the address book to change the saved name for his mom.

The name he had fervently desired deep in his heart after awakening to a dominant incestuous relationship…

‘Female Slave (SM)’

Having changed the name, Siwoo captured the screen of the phone’s address book.

Along with a photo of mom’s dog collar stained with semen in the drawer, Siwoo sent the captured image of the phone book to his mom.

‘This is your punishment, so you decide what to do with it!’

Siwoo sent that last message.

No response from mom.

Siwoo’s tension and excitement were at their peak.

He ran to the changing room and came back with the panties Sehee had taken off.

The wet gray triangle panties.

Returning to the kitchen chair, Siwoo took out his hugely swollen penis, which had been erect for hours.

It was so engorged with blood that it seemed about to burst.

Siwoo wrapped Sehee’s panty, soaked with her excitement, around his giant shaft and started to masturbate furiously.

-Thud!!! Thud!!! Thud!!! Thud!!! Thud!!!

The filthy sounds Siwoo made filled the kitchen, the living room, and the whole house.

Even if Sehee came out and saw, Siwoo didn’t care and was seriously engrossed in shaking his penis.

After a few minutes,

Finally, a response came from mom.

It was a captured image of the address book, just like what Siwoo had sent.

The name ‘Master (SY)’ along with Siwoo’s phone number was captured with it.

In that moment, Siwoo’s mind reeled, as if exploding all the pent-up desire, he ejaculated.

The kitchen ceiling, the sink, cabinets, the grill on the dining table, and the ingredients…

Siwoo’s semen was sprayed without sanctity, filling up the place.

After a long, intense climax,

Siwoo trembled as if shuddering for a long time.