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What's a Mitochondria?

Summary:

Not all biology is learned from books.

AKA; Kim Namjoon is supposed to be tutoring this asshole who doesn't care about his grades, but he may wind up learning more from him than he ever thought possible.

Notes:

(See the end of the work for notes.)

Chapter Text

Namjoon was tapping his pencil on the spine of his pathophysiology book in time with the bubble gum pop that played over his roommate's speakers. It wasn't his cup of tea, musically, but it was infectious. He couldn't help but nod his head along while he read over his chapter for what felt like the millionth time in the past few days. 

College was somewhat of a blur to him. The past three years had flown by, giving him plenty of time to prepare himself for the next few semesters to come. His parents had told him that he was smart from a young age. Then prepped him and steered him into a path that lead from test to test, college exam to college exam. And what was it all leading up to? The MCAT. That's right, the infamous Medical College Admission's Test that had given numerous people everything from a mental breakdown to an ulcer. 

This was his dream. He would pass the MCAT with flying colors, being accepted into one of the nation's top medical schools, and become a surgeon. It was a plan he had carefully laid out for himself, stone by stone. 

The fact that his parent's were the ones who decided the trajectory of that path was besides the point. 

"Namjoonie, you're glasses aren't even on your face anymore," his roommate scoffed.

Namjoon pushed the black frames back up on his nose and looked up. He hadn't even noticed that Seokjin had stopped his own study session. Jin was a few years older than Namjoon, but had adopted him nonetheless. He was a double major in education and psychology. He wanted to be a special education teacher. It was his last year of school, but his stay had been extended for a few years in order to get his master's degree. Namjoon admired his attention to detail, but couldn't help but wonder how he had survived living with someone like him. 

Seokjin was so.... motherly. He had a regimined schedule of eating and working out in between his classes. He kept his side of the room immaculately clean and somehow managed to balance a full social calender with his philanthropy organization. The man was essentially the golden hyung of college. They had been roomed up Namjoon's freshman year and couldn't be seperated since. It wasn't as if they wanted to, but it was also that Seokjin was convinced Namjoon would die without his nagging. 

He's proabably got a point. Namjoon had a bad habit of studying late into the night, skipping meals, losing his books, and breaking nearly every pencil he used. He had a horrendous snoring habit that kept most people up for hours, if not the entire evening. He never cleans, and everything he owns is a various shades of nerd. He was obsessed with learning English in his spare time and loved this German Poet at the moment. His room had Harry Potter posters and books on nearly every surface. He was a hot mess, but Jin did his best to keep him in line.

"What is filling your big brain up tonight?" Jin fetched his fuzzy white pillow from Namjoon's bed. 

"The pathology of Parkinson's disease and it's effects," Namjoon mumbled, pencil in between his teeth.

Jin scrunched up his face and walked to the sink in their little room. He began his beauty routine while Namjoon made little bite marks into the wood between his canines. 

"What were you working on pre-moisturizer?"

"How to deescalate an angry child," Jin smiled to himself.

It was Namjoon's chance to make a face. He watched as Jin put the layer of product on his seemingly flawless skin and rubbed it in a methodical way. Namjoon tried to name the muscle groups as he watched. He had no idea how his hyung could keep up with all the beauty products and routines he had. Namjoon barely knew what half of the products even did. He remembered nearly passing out the first time he saw an eyelash curler. 

Jin was so confident in himself. He never cared what anyone thought. It also helped that he was one of the most naturally beautiful people Namjoon had ever seen. The confidence seemed to ooze from the broad-shouldered man, even if he was swapping lip gloss secrets with one of the girls who lived on the floor below them. In some ways, Namjoon envied that. 

"Yoongi and Hoseok snuck some beer into their room," Jin winked at him from the mirror, "you wanna go?"

Namjoon rolled his eyes. Those two were so careless. 

"Sure, but they better not be dumb about it,"

 

By the time they walked halfway down the hall, Namjoon could hear Hoseok's voice. They continued to the end of the hall and knocked on the door until Yoongi's small form opened it. By the look on Yoongi's face, he was also acutely aware of Hoseok's volume. 

"Hoseokie, I could hear you down the hall!" Jin chastised the younger, thumping him on the head.

Yoongi and Hoseok were old friends as well. Hoseok was one of the first people Namjoon met during freshman orientation. He was his hyung by a few months, but was pretty much the perfect same age friend. He had come running around the corner during orientation with a banana half out of his mouth, yelling about some sort of breakfast of champions. He wound up sitting next to Namjoon and talking for him the rest of the week. It was then that he found up his roommate was friends with Hoseok's roommate, Yoongi.

Yoongi was another story. He was a year younger than Jin, but a year older than Namjoon and Hoseok. He wasn't grumpy per say, just a bit standoffish. He kept to himself, mostly. He was a music major and had a tendancy to sleep for most of the day, seeing as how his classes did not begin until late afternoon or evening. You could generally find him in one of the cramped studio rooms with headphones as big as his head. He had an insane amount of passion that he was always glad to express to other, but was quick to shut up when he was uncomfortable, which was nearly every time someone showed a minor amount of affection

"This asshole has already had three beers and his fucking lightweight self can barely speak without yelling," Yoongi huffed as he collapsed back onto the futon.

Namjoon grinned to himself and took his favorite seat in the moon chair that sat at the end of Hoseok's bed. Hoseok flopped over to reach his hand down and fluff up Namjoon's unruly blonde locks. They were getting to be so long on the top that he could cover his eyes if he let them hang. After Hobi's strange version of a greeting, he was handed a beer by Yoongi. It wasn't especially great beer, but they could afford it as college students and that's what matters. 

"Yoongi, sweetheart, hand me a bottle?" Jin flashed a smile at Yoongi's lounging form. 

"Shove it up your ass, hyung," was his response.

"Not without proper foreplay," 

Hoseok's laughter was so fucking loud. Namjoon nearly jumped out of his skin when he began to laugh right behind his head. He turned to see Hoseok on his back, chest shaking. He couldn't help but laugh as well, no matter how hard he was blushing. 

 

The night went on easily, seeing as it was a Friday and no RA had stopped in to yell at them for noise complaints. They were a few beers in each. Namjoon was starting to feel the warmth of alcohol from the tips of his ears down to his toes. He had stripped off his sweater and was lounging next to Yoongi while they played some sort of mario game Jin had insisted on buying. The drunken play was much more entertaining, and the laughter kept bouncing off the walls. Even Yoongi was laughing, gums showing and all.  It was nice to have a few moments to just relax with the guys, no worries.

That is, until a knock is heard at the door.

Yoongi shoves the bottles under the futon and covers them with a blanket. He straightens himself out, making Hobi and Jin laugh once more, and went to answer the door.

"H-hey uhm, can you guys keep it down a little?" a soft voice was heard from the door.

Namjoon peaked his head off the bed, but wound up toppling right off of it and onto the floor, causing a beer to be spilled in the process.

"Oh for fuck's sake Joon!" Yoongi sighed. 

"Holy shit you guys are drunk," A lower voice came from the hall.

Namjoon tilted his head up and started laughing a bit. There were two figures standing outside the door, laughing at his misfortune. The taller one had soft brown looking hair and a pen behind his ear. The short one was blushing and had the brightest orange hair that Namjoon had ever laid eyes on.

"Look, if you're here to tattle, pretty please don't?" Jin pouted his lips at the poor confused boys.

"Oh no we're-" the smaller one began.

"JIMINIE! COME HAVE A BEER WITH ME AND BRING HIM IN TO!" Hoseok yelled once more.

"Dope!" The taller once entered the already cramped dorm room and sat on Hoseok's bed after being handed a beer.

Orange hair walked in tentatively, accepted the beer, and then had the heart to help Namjoon off of the floor. He went to sit over by his friend. 

"Gentlemen, I present to you Jiminie," Hoseok leaned his head on the orange-hair one's shoulder, "my favorite dance student in the class I assist in!"

Jimin bushed and pushed the drunken hyung off of himself before guesturing towards his friend. 

"This is my roommate Taehyung," 

Jin was perfectly enamored by the new additions that he nearly laid across Yoongi's lap in order to talk to them more. They found out they were a year younger than Hoseok and Namjoon, and were a dance major and an astronomy major. Before Yoongi could say a word about 'too many people', they were given Wii controllers and an all out war of Mario cart began. 

Namjoon was beginning to appreciate the life of college outside of his textbooks. 

_

"Jeon Jungkook, see me after class," he professor's voice seemed tired.

Jungkook found himself rolling his eyes for the millionth time that day. Stupid stuffy ass professors who think they know everything were not exactly his forte. He was a vocal music major. He didn't need this liberal arts bullshit.

As a freshman, most would expect the fear of professors or the valliant respect for the institution. Jungkook had neither of those qualities. He was here for what he wanted, and only that. Besides, who would honestly yell at the son of the man who basically owned the school? They would be insane. 

Jungkook's father was none other than the senior executive of the Jeon Foundation. The company that essentially developed the world's best computer software and medical technology. They were made of money, and it was only right that they donated some of it here and there. Jungkook had convinced his father to donate a little more that year to the college of his choice. He began school shortly after, and had assumed life would be a breeze, just as it always had been.

He lived in a large apartment off of campus that was far too much space for an 18 year old, but it was the one he wanted. 

He drove a luxury BMW and parked where he pleased because he couldn't be bothered to walk across the campus. 

Jungkook considered himself untouchable. 

"Jungkook, you're quiz grades have been less than satisfactory, as I'm sure you're aware," Dr. Lee sighed.

"This is a biology class, I think my grade can be whatever it is," Jungkook scoffed.

Dr. Lee Jinki rubbed his fingers to his temples. He was a very proper man, and it almost hurt Jungkook to make him suffer like this. 

"You need to pass this class or your GPA will suffer," Dr. Lee reminded him.

Jungkook rolled his eyes.

"Maybe you should consider looking over you and your father's agreement once more?" 

Jungkook grabbed his leather bag and stormed out of the lecture hall. He didn't need another fucking reminder.

He was the soul heir to the Jeon Foundation. The only son, the only one in line to take over. However, he didn't give a single shit. He had never wanted to go into technology or business. He had no freedom in the family company. His entire life he had been referred to as "sir" or "young master". He just wanted to be Jungkook for awhile. It was then that he had decided to go into music. He wanted to sing, to dance, to produce. He wanted to create something that he would be proud of, not something he inherited. He felt closed off, boxed away. 

And he hated every moment of it.

However, his father wasn't too keen on the idea of letting Jungkook piss away his college experience to something so "silly" as vocal music. Even after Jungkook added a music production minor, his father refused to pay for it. It was then that his mother agreed to let him chaise his dreams, but under one of his father's conditions. 

He must maintain a GPA higher than a 3.5. 

It hadn't seemed so hard, until he got there. 

Jungkook stormed off to his car and slammed the door a little too hard. The sound echoed in the enclosed space. He slammed the heels of his hands into the steering wheel a few times and yelled. When he was finished, he sighed. He knew he had no other choice than to work harder in his classes. 

The problem wasn't the fast that he wasn't trying. He just wasn't getting it. He wasn't an idiot, he knew how to pass his language class and his history class. They were easy enough he could get past without trying. The issue was his stupid algebra class and fucking biology. He couldn't understand what the hell a lipoprotein was and why the fuck he should care. He was struggling, but honestly couldn't find a way to help himself. 

He had never felt insecure about himself. He lived in the lap of luxury and could supplement any of his personal shortcomings with his charming personality and a flash of a grin. He knew he looked good. He knew he was suave. But he wasn't used to it being unable to help him.

Jungkook sighed and took out his cell phone. He found the number of the campus tutoring center and dialed.

"Hello, student success tutoring center, this is Krystal, how can I help you today?"

"It's Jeon Jungkook. Find me a tutor for algebra and biology. Preferably the same person for both," He spoke quickly and hung up.

Jungkook was beginning to hate college.