This chapter may contain slight mature content readers discretion is advised , warnings are given before the scene 

Happy reading

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"What's mating?"

The pen in Taehyung's hand slipped, clattering onto the floor. He blinked at the question that had just shattered the calm in his office.

"What's mating?"

He looked up at the source of the innocent query—Jungkook, perched on his desk with his legs swinging, eyes wide with curiosity.

It took Taehyung a full three seconds to process the words, and then another three to gather himself. He cleared his throat, leaning forward slightly.

"How about you sit on my lap, and I explain it to you clearly?" he asked smoothly.

Before Jungkook could answer, Taehyung swooped him up and settled him across his lap, making Jungkook yelp at the sudden manhandling.

"Hyungie!" Jungkook whined, pouting.

"What? You wanted answers," Taehyung replied, smirking as he adjusted Jungkook to face him. "And now you're in the best spot to get them."

Jungkook's curiosity quickly overshadowed his indignation. "So, what's mating?" he asked, tilting his head like a confused bunny.

"Well, it's...a bond," Taehyung began carefully, his deep voice laced with amusement. "Before we mate, I'll mark you, baby."

Jungkook's eyes widened. "Mark me? Like vampires bite people, right? I've seen it in movies!"

Taehyung chuckled, pinching his mate's soft cheek. "No, bun. I'm not going to drink your blood. Just a mark. Here." He tapped the side of Jungkook's neck lightly.

"Hyungie," Jungkook whined again, wriggling. "That's ticklish!"

"You're adorable when you whine," Taehyung teased.

Jungkook crossed his arms. "So, what happens after the mark? Does it mean I'll be yours forever?"

Taehyung's expression softened as he cupped Jungkook's cheek. "Yes, bun. Forever. You'll be mine, and no one can take you away from me."

Jungkook's round eyes grew even rounder. "Like marriage? Oh! Will we get married before that, hyungie?"

"No, baby," Taehyung replied, shaking his head. "There's no marriage in Lunar."

Jungkook gasped dramatically, clutching his chest. "So we won't dress up and walk down an aisle? No vows? That means you won't be my husband?"

Taehyung bit back a laugh at his mate's adorable reaction. "So, my baby wants to wear a pretty outfit and walk down the aisle?"

Jungkook pouted, looking away. "I just think it would be nice..."

Taehyung kissed away the pout, grinning. "If my baby wants it, my baby gets it."

Jungkook's eyes sparkled with excitement. "Really? Hyungie, you're the best!"

"Of course," Taehyung said, ruffling his mate's soft hair. "You know, mating is like marriage, bun. It's just...a little different."

Jungkook tilted his head. "Different how?"

"Well," Taehyung began, pausing as his brain briefly entertained a far-too-detailed explanation. Nope, not yet, he thought, mentally shaking the image away. "You'll understand when the time comes."

Jungkook, however, wasn't satisfied. "But will you propose to me for mating, hyungie?"

' Yeah i will propose you like baby can i put my dick inside your little pussy and knot you, yeah certainly i will' Taehyung thought and shake his head not to let his thoughts out and  taint his bun yet - the key word yet

Taehyung smirked at his mate's insistent curiosity. "Maybe, bun. We'll see."

Excited, Jungkook bounced in Taehyung's lap, clapping his hands.

"Don't jump like that, baby," Taehyung said with a sly grin, catching the overexcited boy. "You might give me...ideas."

Jungkook tilted his head in confusion. "What kind of ideas, hyungie?"

"Never mind, bun," Taehyung replied, shaking his head with a chuckle. "You're too pure for those thoughts."

"So when are we mating?" Jungkook asked with a wide smile.

"Soon, baby," Taehyung promised, pulling him close and peppering his neck with kisses.

Jungkook giggled, squirming. "Hyungie, that tickles!"

Taehyung smirked, pulling back just enough to look at his mate. "You'll thank me later, baby."

(Disclaimer: slight mature content)

Jungkook suddenly moaned when Taehyung sucked his neck" Hyungie,   what are you doing" Jungkook  asked while moaning and breathing heavily 

" Teaching you few steps before mating baby " Taehyung  said and sucked harder making  Jungkook moan louder

Taehyung looked at Jungkook for a brief second and dived to kissed his lips sucking  and licking them , even though Taehyung has kissed him  earlier still the boy is not expert in kissing back. Still he tried to kiss back  but not able to match the pace of his mate.

Taehyung guide  his hands inside Jungkooks shirt and squeezed his stomach. Due to sudden squeeze Jungkook moaned ,  taking the chance Taehyung thrusted his tongue inside jungkook , sucking his tongue and  tasting every corner of him while his hands started to go north and stopped when he felt a cloth near the chest breaking the Kiss Taehyung looked at the Jungkook who was panting.

" Baby" Taehyung called Jungkook who looked at him with hooded eyes and slightly panting

" Ahh ~~hmm " Jungkook moaned suddenly when Taehyung squeezed his left swell

"Fuck " Taehyung cursed , feeling the soft round moulds in his hands and squeezed his left one again 

" Hyungie noo" jungkook said moaning harder

" why baby" Taehyung asked still having his hands in his left swell and other at the small of his back keeping  Jungkook study in his lap

" Feels weird,   in my stomach hyungie" jungkook said shyly and panting in between

Smirking Taehyung dived to kiss him again still squeezing the swells in between his large hands , earning muffled moans from his mate.

(end)  

Breaking the kiss, Taehyung placed a soft kiss on Jungkook's temple, his mate panting heavily. He gently guided Jungkook's head to rest against his chest, trying to calm the boy's rapid breathing. Taehyung carefully adjusted him in his lap, making sure they were positioned in a way that Jungkook wouldn't feel the growing boner, a result of the boy's moans.

"Rest, baby," Taehyung whispered, pressing a gentle kiss to Jungkook's cheek. "Let me finish this, and we can go."

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The next day, Jungkook found himself lounging in the living room, the quiet of the house surrounding him. Everyone seemed busy with pack duties and Taehyung went to the company, leaving him with little to do but sip on his banana milk, feeling a bit restless.

The sound of the front door opening caught his attention. He looked up just in time to see a tall man step inside, his sharp features softened by a warm smile.

"Hello there," the man greeted, his voice smooth and friendly. "You must be Jungkook."

Startled, Jungkook nearly spilled his banana milk. "Um, yes! That's me. Hello."

The man chuckled and extended his hand. "I'm Kim Jisung. Taehyung's uncle."

Jungkook stood up quickly, a little nervous but trying to remain composed. He bowed his head slightly, remembering his manners. "It's nice to meet you, sir?"

"Just uncle is fine," the older man said with a smile that instantly put Jungkook at ease. "Taehyung has told me a lot about you."

Jungkook's face flushed. "He has?" He felt a little shy, a hint of nervousness in his voice as he offered the banana milk. "Would you like some? It's really good!"

Jisung chuckled warmly. "No, thank you. But it's kind of you to offer."

As they began talking, Jungkook's nerves started to settle. Jisung's warm demeanor made him feel comfortable, and soon they were laughing over funny stories about Taehyung's childhood—stories that Jisung teased Taehyung with, causing Jungkook to giggle.

Just as Jungkook was laughing at one of the stories, the door opened again, and Taehyung stepped in. His gaze immediately softened when he saw Jungkook, and a protective instinct flashed behind his eyes as he walked over to join them.

"Uncle, I see you've met my bun," Taehyung said, his voice full of affection as he placed a hand on Jungkook's shoulder.

Jungkook's face lit up at the sight of his mate. "Hyungie!"

Taehyung smiled and kissed his temple before turning to his uncle. He gave a respectful nod. "It's good to see you, Uncle. I hope Jungkook hasn't offered you his banana milk. He guards those like treasure."

Jisung laughed heartily. "He did, actually. Very generous of him."

Jungkook pouted, feeling a little embarrassed. "Hyungie, stop teasing me!" He hid his face in Taehyung's chest.

Taehyung chuckled and wrapped his arm around his mate. "You're too cute not to tease," he said softly.

After a few more moments of easy conversation, Jisung stood up, his expression softening. "I've got to go now," he said. "I came to meet Jungkook, and I'll see you both later."

Taehyung gave him a respectful bow. "Of course, Uncle. Thank you for stopping by."

Jungkook stood up as well, offering a small bow. "It was nice meeting you, uncle" he said, his voice sincere.

Jisung smiled warmly at him. "Likewise, Jungkook. Take care."

With that, he made his way toward the door, leaving the two of them in the living room. As the door closed behind him, Taehyung turned back to Jungkook, his eyes soft. "I missed you bun," he said, pulling him closer.

Jungkook smiled shyly, feeling a little more at ease now that the encounter was over. "I missed you too , Hyungie."

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I tried to write the mature scene, hope it's good!