Chapter 129 – 129. Developing The Sisters’ Back Holes

While Joo-hyun was at Ah-jung’s house, acting like a patriarchal husband and giving instructions, Yeon-ji and Yeon-hee were preparing something in the large bathroom at the mansion.

“Uuu… this is really embarrassing…”

“It’s an order, so we have to do it.”

“But still…”

Inside the bathroom, the naked sisters stood before a basin filled with pink liquid and a large syringe.

Looking at it, Yeon-ji blushed and hesitated, feeling embarrassed, but Yeon-hee, despite feeling the same, hid it and wore a stoic expression, as it was an order from their master, Joo-hyun.

“If we play this…”

Initially, their mother, Jung-yeon, had tried to explain it herself, but they were too embarrassed, so as a last resort, she left a video for the sisters to do the jelly enema together.

Despite being in the bathroom, there was a large TV installed, and as the video played, their mother, Jung-yeon, appeared on the screen.

– Are you both watching well? Then I’ll explain how to do the enema♥

The sisters, looking at their mother, who seemed quite cheerful despite explaining how to do an enema to her daughters, began to listen to the explanation.

– There’s a pink liquid and a syringe in the basin, right? Fill the syringe completely, then put it against your anus and press hard. It’s that simple♥

“F-fill it completely?…. Uuu….”

The syringe, which looked to be over 1 liter when full, made Yeon-ji tear up at the thought of filling it completely.

She had been excited about offering her butt hole to Joo-hyun, but it seemed that the act of an enema was embarrassing for her.

‘If I clean it with this, Papa will♥…. Haaah♥…..’

On the other hand, Yeon-hee felt embarrassed, but it seemed more important to her to be praised by Papa for serving him with her butt hole. She was already prepared and filled with thoughts of serving Papa with a hole she had never properly used before.

– Before you insert it, you might get hurt, so first, loosen it up a lot with your fingers♥

“Yes,””

They answered their mother on the screen and tried to bring their hands to their butt holes, but Yeon-ji hesitated and couldn’t do it well.

When she was in her bitch mode in front of Joo-hyun, she didn’t care about any embarrassment, but unless she was that excited, she was still hesitant to be lewd in front of her mother or sister.

“If you can’t do it, I’ll do it for you.”

“B-but it’s my butt hole…”

“It’s okay, it’s Yeon-ji. Besides, considering Joo-hyun’s personality, it’s obvious that we’ll be doing more lesbian play and butt hole training in the future, so it wouldn’t be bad to get used to it beforehand.”

“Uuuu…. Okay…. H-here♥”

Persuaded by Yeon-hee’s words, Yeon-ji eventually asked her sister for help, as she couldn’t loosen it up herself. She got on all fours, presenting her butt.

‘This is Yeon-ji’s butt hole… it feels kind of sexy♥’

It was her first time seeing her younger sister’s butt hole, but it didn’t feel dirty or unpleasant. Instead, it felt sexy, and she slowly reached out her hand.

Squish

“Haaht♥ S-softly, please, sister……”

“Okay, I will♥”

Squish squish squish squish

She gently rubbed her butt hole with her wet hand and inserted it a little, but the hole was tighter than she thought and wouldn’t open.

Even though she hadn’t even inserted a finger joint, Yeon-ji’s butt hole was twitching, and it was visibly getting wet.

‘She’s embarrassed but excited♥’

Yeon-hee, being a fellow masochistic bitch, could relate to Yeon-ji’s feelings. She slowly moved her hand, widening the butt hole, and Yeon-ji’s body began to twitch and make lewd moans.

“Haaang♥…… Hhhht♥….. Heht♥…. It feels weird, sister♥”

“Your butt hole is gripping my finger tightly right now♥”

“Haaang♥…. N-no, it’s not♥”

Yeon-ji denied it, embarrassed as her sister stirred her butt hole with her finger, but the lewd moans coming from her mouth and her increasingly wet pussy were telling her true feelings.

“Then I’ll insert it more.”

Squish

“Haaauuuht♥ D-deep♥”

She inserted about two finger joints deep, but it was Yeon-ji’s first time, so she wasn’t used to it.

Nevertheless, Yeon-hee seemed to be enjoying it, and she kept poking the hole without stopping.

“Hhhht♥… Haang♥… Heht♥… N-now….”

“Then that’s enough.”

“Eh?! Why!”

Yeon-ji, whose butt hole was gradually loosening up and was about to reach climax, was stopped by Yeon-hee right before. She puffed up her cheeks and looked at Yeon-hee, protesting.

“The purpose now isn’t masturbation, but to clean it up…”

“Uuu… Okay! Then I’ll loosen up your butt, sister.”

“N-no, I’ll do it myself… Kyaa!?”

Yeon-hee was planning to loosen her own hole, but Yeon-ji attacked her, as if in revenge for stopping her right before her climax.

“In this position♥”

Squish

“Haaht♥…”

She laid Yeon-hee down and made her take a position with her butt facing up, as if to get revenge, but Yeon-hee seemed to enjoy being humiliated like this, accepting it without any resistance.

‘Ah, ah♥ Not only am I taking this filthy position in front of my younger sister, but my butt hole is also being poked♥’

She had felt quite excited when she was being toyed with by Papa, but being toyed with by her younger sister made her feel even more depraved.

Squish squish squish

“Haaung♥”

“Hee~♥ Sister’s butt hole is easier to enter than I thought?♥”

“Haaht♥… Hhhht♥… Actually, I’ve masturbated a few times…. Hhhhuuuht♥”

“Really? I thought you were someone who didn’t masturbate… You’re a pervert like me and Mom♥”

Thud!

“Hiiiiiit♥”

Pshooooot

“Aha♥ You squirted pussy juice♥”

Yeon-ji seemed to be enjoying teasing and tormenting her sister. She put a whole finger into her butt hole and played with it, and her sister climaxed, showing a new side of herself. Yeon-ji laughed, enjoying it.

“Ah! You can’t cum, that’s cheating!”

Squish squish squish

“Ooh!?♥ W-wait, sister, you c… Oooooot♥”

Yeon-ji, as if punishing her sister for cumming alone, tormented her butt hole even more persistently. Yeon-hee’s pussy was melting with pleasure and dripping with pussy juice.

“Ooooooot♥”

Pshoooooooooot

She climaxed again shortly after, squirting pussy juice, and her younger sister now knew that she was a premature cummer.

“Hehehe♥… This is kind of fun♥”

“Hhhht♥…… Haang♥”

‘My younger sister has turned into an S♥’

Yeon-ji, who had always relied on and respected her sister, saw her being poked in the butt hole with a finger, being toyed with, and quickly climaxing, her body trembling. She felt like she was awakening to a certain tendency within herself.

The tendency was still in its early stages, but Yeon-ji, enjoying the new excitement, finally let her sister go after she had climaxed three more times.

……………..

“Really… you wasted so much time.”

“Hehe… Sorry, sister.”

After an hour had passed, Yeon-hee and Yeon-ji, who had finally regained their senses, got into position to continue what they had been doing.

“But I only tormented you for 20 minutes, and you squirted for 40 minutes….”

“T-then, let’s continue the video.”

– If you’ve loosened your butt holes enough, fill the syringe with the liquid as I said before and insert it into your butt… Well, since you’re beginners, let’s fill it twice each♥

“T-twice!?”

“…..Huu… Yeon-ji, do you want to go first?”

“Uuuu…..”

The sisters seemed a little hesitant at their mother’s words to fill it twice and insert it into their butts, as even inserting it once was difficult.

“Then, I’ll go first… Yeon-ji, insert it for me.”

“O-okay…”

Since it would be quite difficult for beginners to do it alone, they decided to insert the liquid into each other’s butts and got into position.

Swoooosh

“Hhhhp♥……”

Yeon-ji brought the syringe filled with liquid to her sister’s butt hole and pressed it, watching as it filled her sister’s insides. She felt an unknown emotion and excitement.

She knew that it was her turn next, but despite the fear and anticipation, a small smile appeared on her lips.

“I inserted it twice♥”

“Haa♥….. Haa♥…… Huk♥……. Haa♥…. O-okay…. This time, I’ll insert it for you♥”

“U-uh…….♥”

When it was her turn, Yeon-ji got on all fours and presented her butt.

Swoooosh

“Haaah…… C-cold♥”

The sensation of the hole used for excretion being filled was completely different from the sensation of inserting something into the pussy.

“I inserted it all♥”

“Haaht♥….. Hhhht♥ It’s p-painful♥”

They had each inserted the liquid twice with the syringe.

The sisters were clutching their stomachs and twitching as if in pain, but they had lewd smiles on their faces.

“H-how long…. Haaah….. do we have to endure it?”

“Haa… Haa…… J-just a moment….”

They felt like they were about to cum, but they knew that they shouldn’t cum right away, so they quickly replayed the video.

– If you’ve inserted everything into your butt, you have to endure it for about 30 minutes.

“T-thirty minutes!?!””

Even though they were true masochistic sisters who liked pain, they didn’t have a hobby of enduring this kind of pain for 30 minutes.

If they were directly ordered by Joo-hyun and he was in front of them, they would endure it with the determination to die, but they weren’t as excited now, so the pain felt quite intense.

– If 30 minutes seems too long, there’s a way to make the liquid turn into jelly faster inside.

“P-please tell us quickly♥”

“I can’t endure 30 minutes♥….”

The sisters, enduring the pain, were watching the video of their mother.

– That is… to make the jelly harden faster with your body heat, you just have to do the slutty pig dance for 10 minutes♥

The sisters, feeling a sense of sadism for the first time from their mother’s smiling face, immediately got up and…

“A-a slutty pig dance♥”

“I want to dance too♥”

They began to do the vulgar slutty pig dance.