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Siwoo entered the room and took out Sehee noona's panties from his pocket.

His older sister's words telling him to hurry up and come back embarrassed Si-woo, but on the other hand, served as a side dish that heightened his excitement.

Will Se-hee know that Si-woo is trying to masturbate with Se-hee's panties that she took off in the morning?

At least Mom would know.

Mom avoided Si-woo's eyes when he told Si-woo that he would give Se-hee's allowance again as instructed.

Even when Siwoo's hand brushed Mom's buttocks, Mom blushed and lowered her head.

If I talked to my mom now, how would she react?

When that thought suddenly occurred to Siwoo, his heart started pounding again.

Siwoo picked up the smartphone next to him.

And send a message to your mom.

'mom!'

'huh?'

Mom answered by text.

'thank you'

And Siwoo's message is sent again

'what?'

Mom's question comes back right away

'Sister's allowance'

It was an expression of gratitude for listening to Siwoo's request(?).

-I wrote letters one by one with my fingers on my sensitive buttocks-

Mom didn't answer for a while.

and

About 10 seconds later, my mom got an answer.

'okay'

At the thought of having a sober conversation with his mother about what happened last night, a tingling sensation seemed to radiate from Siwoo's genitals.

'But mom, are you okay?'

Siwoo continues talking to his mother

"What body?"

Mom's question comes right back again

"What I did last night before I turned off the lights."

Si-woo was talking about hitting his mother's nipples like a bamboo stick as punishment for hitting his older sister's head.

Mom had no answer.

A long time had passed since the 1 next to the message disappeared, but Siwoo became anxious as there was no response.

'Are you angry? Or have these conversations with your son suddenly become uncomfortable?'

Siwoo's heart was becoming increasingly heavy.

Then the message notification sound rings.

'Ugh!!!-_-^'

The last line on the screen clearly says 'Ugh!!!' Along with the words, a cute, angry expression emoticon was drawn.

Siwoo feels excited, as if his body will evaporate and fly away.

The mother expressed her feelings about the immoral and lewd behavior her son did to her last night, as if she were dealing with her son in everyday life.

He took out his huge erect penis from his pants, wrapped it in Sehee's sister's panties, and shook it like crazy.

Soon a feeling of ejaculation comes.

Siwoo's semen was pouring out of Sehee's sister's tiny panties and overflowing and dripping onto the floor.

Siwoo did not clean up Sehee's older sister's panties and overflowing semen and left them there.

At least Mom will know that Si-Woo ejaculated on Se-Hee's panties after exchanging text messages with Mom and tried to show it to Mom.

After changing my clothes and getting ready to go to the academy, I went down to the first floor and said hello to my mom that I was going to the academy.

"I'll be back, mom~"

"Take care, Siwoo~"

No matter how you look at it, she was a normal mother.

Seeing his mother acting as if there had been no message like the previous message, Siwoo's things seemed to gain strength once again.

Siwoo felt as if each of his mothers treated him differently.

day and night mom

And even the shy and naughty mom I met in the chat who can talk to Si-woo as usual and even talk about the night's events.

**

When I opened the front door and came out, Sehee's sister was waiting inside the yard gate.

Se-hee noona received her allowance again, so Si-woo no longer had a reason to go with her, but neither Si-woo nor Se-hee noona mentioned it.

Sehee's face seemed to be slightly red.

Since Siwoo had just masturbated, he was a bit embarrassed to face his older sister who knew about it.

Si-woo and Se-hee stand close together, each awkwardly looking away for a moment.

"Shall we go?"

Feeling embarrassed, Siwoo first speaks as if leading his sister.

"huh"

The older sister answers obediently and follows Si-woo.

**

On the way to the academy

Si-woo wondered how long it had been since he last walked side by side like this, alone with Se-hee.

Although they bickered every day - almost feeling like they were being bullied - Si-woo was strongly aware that Se-hee was someone he, as a man, needed to protect, just like the rest of his family.

As the two of them walked, Si-woo continued to think of things to say to Se-hee so as not to be awkward, and Se-hee's sister followed suit today, especially obediently, and seemed to agree well with Si-woo's words.

"Still, it's a shame that the tattoo didn't go away. If I had caught it, you would have really gotten kicked out, right?"

Si-woo was jokingly talking to Se-hee about his tattoo.

"I was really nervous~! Did you see that when I was being beaten by my mom, I kept covering it with one hand to avoid being noticed? Now that I think about it, it's really funny, giggle."

Se-hee's older sister also accepted Si-woo's words and spoke as if she were happily chatting with a friend.

When Sehee noona was being beaten by her mother, Sehee noona's huge breasts were moving dynamically, wrapped in a purple bra inside a black mesh box tee.

Although I couldn't check the position of my sister's hand because I was so concerned about it, I was able to imagine her hand pointing down to her crotch when she said that as if she was happy.

'Do you think Sehee masturbates too?'

'You're already having sex, right? Actually, if you think about dieting through sex...'

While Si-woo was thinking such bitter thoughts, he suddenly remembered the image of his sister's smooth thighs and the letter-shaped tattoos written on them that he had seen when Sister Shinbi lifted up Sister Se-hee's skirt.

"But did your sister have a boyfriend? Didn't you say it was the initials of the person you like?"

Siwoo decides to take advantage of the good mood and ask something he was curious about.

"He's not your boyfriend?"

Sehee's older sister was denying it as if it was so obvious.

"Didn't you say you got a discount because you were a couple?"

Siwoo continues to ask, looking a little puzzled.

"Oh, I got a discount~ giggle"

Se-hee's older sister playfully teases Si-woo.

"Huh? Then you lied and said you were your lover and got a discount? My sister and Shinbi were the biggest delinquents~"

Si-woo also speaks to Se-hee as if he were joking.

"Isn't it true? It's a strong love?"

My sister still talks like she's joking

"What?! You're teasing me again!!"

Si-woo gets upset because he thinks he was teased.

"What are you so curious about? I'll tell you later. It's okay for now."

A shy expression passed across Sehee noona's playful face for a moment.

Siwoo, who seemed to know something, did not ask any more questions about the tattoo.

**

On the way to Sehee's sister's academy

Through many conversations, Si-woo seemed to learn a side of his sister that he had never known before.

-There are still a lot of questions left, but-

When I almost arrived at the academy, I saw a familiar face in front of me.

The familiar face with a tall stature and a formidable appearance was none other than Cheoljin.

"Hey Siwoo~ Sehee noona~ Why are you two going to school together?"

Cheoljin slyly approaches and speaks to me.

"I have some work to do for the time being. What are you doing here?"

Si-woo is a little surprised to meet Cheol-jin in an unexpected place.

"Ah, I also have some business to run nearby."

Cheoljin's tone and attitude are somewhat unclear.

"Cheoljin is busy too? Is there a girl you have a crush on at our academy? Kikkik"

My older sister, whose tension was rising due to her conversation with Si-woo, teased Cheol-jin and greeted him instead.

"Ah, something similar, haha, since we met like this, shall we go together?"

No matter how you looked at it, Cheoljin looked suspicious.

"Then I'll go in. Thank you, Siwoo. Bye, Cheoljin~!!"

The two arrive at the school gate and check that their older sister is going inside.

After dropping off their older sister, Cheoljin and Siwoo headed to the intermediate academy they attended.

Si-woo tells Cheol-jin about what happened with his sister early in the morning, just in case.

"Oh!! That must have been a big deal. So, Siwoo, you decided to take Sehee to the academy every day?"

Cheoljin reacts awkwardly in surprise.

"Oh, that's right."

Siwoo found that suspicious.

"If something like this happens, I can't just ignore it!! My friend's older sister is going through something like that, so does it make sense for me to pretend not to know?"

Cheol-jin raises his voice as if he is somehow possessed by a hot-blooded teen drama cast member.

Although Cheoljin was usually very open-minded and curious, he was somewhat distant from this kind of altruistic proactiveness.

"But weren't you late yesterday? I went home first because I was busy with work."

Siwoo's interrogation begins quietly.

"Huh?..uh..something like that happened yesterday. I'm not busy anymore, so don't worry~!! Uh..anyway, I'll definitely catch that shameless guy~!!"

It was Cheoljin who seemed slightly embarrassed by Siwoo's words.

Siwoo, who did not miss that sight, thought for a moment and then suddenly changed the topic and said.

"Hmm… By the way, my Sehee sister seems to be learning how to dance these days."

"Dance?"

Cheoljin is internally relieved at the sudden change in topic.

"Yeah, I think I'm into a certain b-boy dance these days. Was the name B-boy Physical or Phoenix? Would you like to look it up?"

"Huh? Oh yeah.."

The moment Cheoljin takes out his smartphone to search without any suspicion and unlocks it with fingerprint recognition.

Siwoo grabs Cheoljin's smartphone and starts running.

"Hey, what are you doing!!"

Cheoljin chases after me in panic.

Si-woo opened the gallery app on Cheol-jin's phone while increasing the distance between them.

Secretly taken photos of Sehee noona with yesterday's date written on them

As soon as Siwoo sees that, his eyes roll over and he rushes towards Cheoljin.

Creating a friendly family19