For a while, Jinwoo and Sohee shared a kiss, their tongues entwining.

Jinwoo thought about leaving a mark on Sohee's body, a sign that she belonged to him.

Impulsively, Jinwoo unbuttoned Sohee's blouse and opened it wide to the sides.

He leaned down and brought his lips to the upper part of her breast, where her cleavage began.

Then, he started sucking hard, as if inhaling deeply.

"Haah... ugh..."

Sohee, taken aback, pulled Jinwoo's head closer.

When Jinwoo pulled his lips away, a clear kiss mark was left on Sohee's cleavage.

"What... what are you doing on our way to school?"

Sohee complained to Jinwoo, whining.

"I have to leave a mark that Sohee is my slave. That way, other guys won't dare to look at you!"

Jinwoo said, looking up at the embarrassed Sohee.

"W-what? Why am I your slave?"

Sohee avoided Jinwoo's gaze, looking past his shoulder to the floor.

"What? Yesterday you called me 'Master' without any problem."

Jinwoo teased Sohee playfully.

"I... I was drunk and just said things to fit the mood! I don’t remember much from last night, so you... you should just forget it too!"

Sohee blurted out an awkwardly long excuse, yelling.

"I think I heard it multiple times even at dawn? So, should I count that as sleep talking? Hehe."

Jinwoo teased, rubbing his crotch against Sohee's groin.

"Ah, really! How long are you going to keep up this joke? We need to go to school now!"

Sohee said, annoyed and whining at Jinwoo.

Ignoring Sohee's words, Jinwoo continued to lick her neck playfully, making her giggle.

"You... you better start carrying condoms! You never know when you'll do it with Sinbi!"

Although her body didn't reject Jinwoo, her words seemed to try to stop his rough and reckless actions.

Sohee still seemed to be thinking about setting up Jinwoo with Sinbi noona.

At that moment, Jinwoo felt a sudden, inexplicable surge of emotion.

Jinwoo brought his lips to Sohee's neck and sucked hard.

"Haah... again!"

A reddish bruise appeared under Sohee's smooth neck skin as the capillaries burst from Jinwoo's kiss.

Even though her face contorted in pain, Sohee gently patted Jinwoo's head.

-As if soothing a stubborn younger sibling-

**

Jinwoo took off his jacket and walked behind Sohee, maintaining some distance.

A band-aid covered the kiss mark on Sohee's neck.

It was a band-aid bought along with three boxes of condoms from the convenience store just a while ago.

"Dumbass! What if it doesn't disappear by Friday!"

Sohee turned back and scolded Jinwoo as they neared the school.

"S-sorry... hehe."

Jinwoo, as if reverting to an immature younger brother, responded.

"After school today, Auntie said she'd pick me up, so you don't need to come. Got it?"

Sohee checked the after-school schedule with Jinwoo.

"Yeah..."

Jinwoo felt a bit disappointed by the unnecessary comment but replied, knowing he had no choice.

"I'm fine now, so you should go to school quickly too! It'll take some time to calm that down."

Sohee glanced at the front Jinwoo was covering with his jacket.

"You're coming with Auntie tonight, right?"

Jinwoo asked, confirming the evening plans in a tone that suggested he was unhappy about it.

"Haah... yes. So go quickly."

With a complicated expression, as if she had many worries, Sohee sighed deeply and spoke.

"I'll leave after I see you go through the school gate. Call me if anything happens! Got it? I'll be ready to come get you anytime."

Jinwoo, though Sohee wasn't pregnant, felt a certain responsibility for having ejaculated inside her.

Finally, after a stubborn back-and-forth, Jinwoo watched Sohee's retreating figure.

Jinwoo felt a deep, bittersweet affection for Sohee growing in his chest.

**

Jinwoo barely made it to school on time.

He sat down to catch his breath before the homeroom session began.

Jinwoo looked around slowly.

Daeho was nowhere to be seen.

Was he sleeping in?

Jinwoo began to think about Daeho's recent suspicious behaviors.

Abusing Aunt Gyuri, stalking Sohee, investigating Minji's magic academy, and even tailing Seulgi.

Daeho's near-criminal actions were enough to cause worry and concern among close friends.

This was also why Jinwoo couldn't take Daeho's tardiness or absence lightly.

Daeho seemed to be up to something, but Jinwoo had no way of knowing what it was.

Recently, Daeho had mentioned something about Uncle's affair to Jinwoo.

Could it be related to the woman Uncle had an affair with?

Luckily, Daeho seemed to have shifted his interest to the magic academy and Seulgi, stopping his stalking of Sohee, but Jinwoo couldn't relax yet.

Why did Daeho suddenly become so obsessed with the magic academy and Seulgi?

Seulgi, who knew Jinwoo's and his family's secrets, and wasn't afraid to blackmail them.

Given Seulgi's involvement, Jinwoo thought he couldn't ignore Daeho's suspicious actions any longer.

**

Daeho arrived at school just after the first period ended.

"What took you so long? Were you up all night organizing your porn stash?"

Jinwoo tried to guess a plausible reason for Daeho's tardiness.

"Did anything happen at school while I was gone?"

Daeho approached Jinwoo with an unnecessarily confident and arrogant attitude.

"What could possibly happen just because you weren't here for a bit in the morning?"

Jinwoo continued the banter, trying to keep Daeho in check.

Daeho lifted his head slightly and smiled broadly.

"Do you know why I'm so late today?"

Daeho looked at Jinwoo with a face that seemed eager to brag about something.

"How would I know, you crazy bastard!"

Jinwoo, annoyed by Daeho's way of speaking, snapped.

"You'll be shocked when you find out."

Daeho continued, ignoring Jinwoo's anger, smiling and moving at his own pace.

"What's this? Did you find a bag of money on your way?"

Jinwoo replied nonchalantly.

"I'm only showing this to you, so watch carefully~"

Daeho showed Jinwoo the screen of his smartphone, which he had been holding since entering the classroom.

The screen displayed an unfamiliar app.

A dial with adjustable knobs and a large button that could be turned on and off.

"What is it?"

Jinwoo asked, curious.

"Want to try pressing it?"

Without any explanation, Daeho brought the phone closer to Jinwoo.

"What is it?"

Without much thought, Jinwoo touched the button on the screen.

-Bzzzzzz!

The phone vibrated loudly.

"Did you see that? Did you see? The vibration you just caused!"

Daeho said, excitedly, to Jinwoo.

"What is this?"

Jinwoo began to worry that Daeho might have finally lost it.

"Now, try this! After pressing the button, hold the hold button to lock it."

Daeho explained the app's controls to Jinwoo excitedly.

Jinwoo, getting annoyed but following Daeho's instructions, manipulated the buttons on the screen.

The hold button lit up, stopping the vibration.

"So what now?"

Jinwoo asked, waiting for Daeho's next instructions.

"That's it! It's done!"

"What?"

"It's done."

Daeho looked at Jinwoo with a satisfied smile.

"What the hell, you crazy bastard!"

Jinwoo shouted, finally losing his temper.

"Haha! I'll tell you later, so don't be too impatient!"

Daeho laughed heartily and returned to his seat.

During class, every time their eyes met, Daeho gave Jinwoo a thumbs up and smiled lecherously.

Feeling uneasy and curious, Jinwoo planned to confront Daeho during the break.

But he never got the chance.

Every time the bell rang for a break, Daeho would dash out somewhere.

Then he'd return, panting heavily, just before the next class started.

Daeho repeated this strange behavior every break before lunch.

1

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