Yandere BTS Oneshots.

Dark Obsession: The Teacher's Secret || PJM feat. KTH

Y/n had always been the quiet one in class, the type who preferred to stay unnoticed. She wasn't the smartest, but she worked hard. That was all she needed to do—get through school and keep her head down. But there was one person who noticed her more than she ever wanted: her history teacher, Mr. Park Jimin.

Jimin was the kind of teacher who seemed perfect on the surface. Young, good-looking, charming—every student's favorite. But there was something off about him, something in the way his eyes lingered on Y/n longer than they should have. Something in the way he smiled at her, like he knew things about her no one else did.

It started small. Extra attention in class, compliments that felt too personal. "You're so smart, sweetheart," he'd say, or "That's my good girl." Y/n thought it was just his way of being nice, but the way he'd lean in close, the way his hand would brush against hers, made her skin crawl. She wanted to tell someone, but who would believe her? Everyone loved Mr. Park.

One day after school, Jimin asked Y/n to stay behind to talk about her grades. "Just a quick chat, angel," he said with that smile of his. She agreed, thinking it was just another one of those harmless talks. But as soon as the classroom door closed, she knew she had made a mistake.

"So, Y/n," Jimin began, leaning against his desk. "You've been doing really well lately. I'm proud of you."

"Thanks, sir," Y/n replied, keeping her eyes down.

"Look at me, baby girl," he said softly.

Reluctantly, she raised her head to meet his gaze. His eyes were dark, intense, and it felt like they were piercing right through her. She shivered.

"Why do you always look so scared, hmm?" Jimin asked, his voice low. "You know I'm not gonna hurt you, right? I'd never hurt my sweet girl."

Y/n forced a smile, hoping it would end the conversation, but it only seemed to encourage him. He took a step closer, his hand reaching out to touch her cheek. She flinched, and his smile widened.

"Don't be like that, princess. You're so pretty, so special. Don't you want to be special to me?"

"I... I should go," Y/n stammered, backing away.

Jimin's expression darkened. "No, you're not going anywhere." Before she could react, he grabbed her wrist and pulled her close, his grip like iron. "You and I... we're gonna spend some time together, okay? Just you and me."

Y/n's heart raced, panic setting in. "Let me go, please."

"Oh, angel," he cooed, his voice sickly sweet. "I've waited too long for this. You're mine now."

Without warning, he yanked her towards the door, his grip unyielding. Y/n struggled, but he was too strong. "Stop fighting, darling. You're just making this harder on yourself."

"Fuck off!" Y/n shouted, trying to pull away.

Jimin chuckled darkly. "Such a mouth on you, sweetheart. I'll have to teach you some manners."

He dragged her down the hallway, out of the school, and to his car parked in the secluded staff lot. Y/n thrashed and kicked, but no one was around to help. No one ever stayed late on Fridays.

"Get in the car, angel," Jimin ordered, opening the passenger door.

"No! Please, just let me go!" Y/n pleaded, tears streaming down her face.

"Now, now," he said, his tone dripping with fake concern. "Don't cry, baby girl. You'll ruin that pretty face of yours."

He shoved her into the car and slammed the door shut. Y/n scrambled to open it, but the child lock was on. She was trapped. Jimin slid into the driver's seat, looking at her with a satisfied grin.