Summary: Meeting a person once increases your chances of seeing them again by 15%, the next time by 10%, and the next time by 5%. Be it these meetings are hallway pass-byes or directly face to face. After meeting them once, a new dot grows on the people radar. Tsukishima knows probability well on a math basis. But how does it work on the hair that's like a red point on his radar he's never seen before and keeps coming back again? Tsukishima x OC. There will be a few yaoi ships mentioned~

Hello! This is the author Vincere Orbe~! Thank you for giving this fic a chance! Just a quick note, the fic will contain both straight and yaoi couples/ships~~! Without further ado~ Hope you enjoy this chapter! ^^

Chapter 1: Percentage

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Perhaps: A possibility or maybe in a situation, question, or state of mind. Or simply an uncertainty.

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Tsukishima, with a knee propped up against the lockers, struggled to catch all of the presents and letters that were (again) miraculously shoved into the small, lockless, shoe locker. He tsked in annoyance as his headphones became askew on his ears and the song he liked became jumbled and disjointed. He was alone in a balancing act and waiting for Yamaguchi to catch up. The thought had surprised him but didn't unnerve anything. Behind the glasses, which were now crooked on his nose, the boy racked his mind to get himself out of the cumbersome situation he was in.

Moving his propped up knee a little and shifting his arms an inch here and there, some more letters and boxes of chocolate fell from his hold instead. Tsukishima let out an irritated groan while others around looked him with curious glances and some with jealous angry glares. Unable to see clearly and being in a worse position than before due his reflexes failing to catch the fallen objects. Tsukishima closed his eyes and took a second.

He glanced around him to gage where the objects hand landed and began to calculate on how to maneuver himself to get them most efficiently. Tsukishima shifted the objects in his arms again. With on fell sweep his long legs brushed and gathered the boxes of chocolate and letters to him. Collecting them quickly, he stood up and balanced everything in his grasp. Everything was submitted under his control again.

Tsukishima began to adjust his crooked lenses and head phones.

"You missed a letter." She told him. Tsukishima stared down the lavender envelope held out to him. He was absolutely positive he got every single one. Where ever it was, he didn't like it. She pointed to his feet where the envelope was from.

"Just throw it out." He muttered not sparing the envelope another glance. "There's not even an addressed name on it."

"Oh, that's true." She murmured before turning and flinging the envelope into the trashcan located at the end of the lockers. The light red hair with hints of purple bobbed away before being swayed as Yamaguchi flew past and bumped into her. A flashed of familiarity appeared on Yamaguchi's expression.

The two exchanged quick apologies and continued their ways. Yamaguchi looked back for a moment as if to note something important while Tsukishima assumed it was probably the hair color that caught his eyes as it did to for him. Feeling apologetic and guilt, Yamaguchi quickly took the load of letters and gifts away from Tsukishima while giving an explanation for his tardiness. Tsukishima never really understood why he was always so sorry in front of him.

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Yachi placed a translucent pink goodie bag tied nicely with a silken white ribbon on Yuzuki's desk.

"Tomo-chocolate, friend chocolates~!" Yachi announced. Turning exactly 90 degrees from Yuzuki's desk she pulled out another goodie bag that was a pale green. "Here's one for Shiori-chan."

"Sankyu, sankyu~" Brushing a long lavender strand away, Shiori immediately opened the bag of goodies. "Did you make some for your volleyball boys?"

"Yeah, there aren't as many in each of them though. It took a lot more than 2 tries to get them right…"Her short blond hair drooped.

Yuzuki reached out for an eraser without taking her eyes off the two homework booklets. Copy, paste, copy, paste, copy, paste.

"You've worked hard~" Shiori smiled popping a chocolate into her mouth. "Oy, Keiko say thanks too."

"Ah sorry," Yuzuki quickly erased another line of writing, her focus barely faltering. Shiori sighed and threw another chocolate into her mouth.

"Aside from gurin (obligation) chocolate, are you going to give any honmei (confession) chocolates Yachi hmmmm?" Shiori asked with the goal of eating some juicy gossip along with the chocolates.

"N-no, I don't have anyone in mind." Yachi mumbled.

"Hypothetically speaking then? Is there anyone in mind now?" The long lavender haired girl grinned wider.

"Someone I like…?" Yachi tried hoping it to be the right answer.

"More specific~"

"Um… uh a senpai probably?" She muttered.

"Oh~ Yachi, how scandalous~!"

"That's just a typical answer! Yu-chan! Who would you give chocolates to on Valentine's day?" Yachi blurted, directing the flames to her. The head of cherry red hair mixed with a weird shade of purple looked up.

"Hmm… If I had to give a valentine to someone…" She stopped her copying to muse seriously for a moment. "I would give it to someone who wouldn't throw it out." Yuzuki replied blatantly.

"What?"

"E-eh..?! What kind of Valentine's day experience do you have…?" Yachi exclaimed.

"Not much actually." She went back to finishing the last minute regret homework.

"Hmph…" Shiori leaned on a perched elbow, cynical.

The two, however, were forced to accept the answer as they jolted in shock watching Yuzuki triple her copying speed when the bell rang.

The music played faintly from the white headphones, loud enough that only Tsukishima could hear. It travelled from the headphones that sat daintily around his pale neck to his sensitive ears. His thumb idly swiped at the screen of his phone wearing an unconcerned face with the "news" in the newsfeed. Silently, his eyes almost missed the—

"Tsukki! I'm back!" Yamaguchi jogged back lightly from the shoe lockers. Tsukishima just nodded.

"What did you need to get?" Tsukishima asked. The shoe lockers could barely hold anything aside for its intended purpose or persistent gifts.

"It's just something little for later." Yamaguchi waved away, his tone dismissive. "Let's go to practice!" He beamed.

"Sure…" Another 2 hours spent with screaming hotheaded idiots… The 'enthusiastic' thought brushed through Tsukishima's mind. In the corner of his eyes he noticed some red and waited for a pair of girls to pass in front of him before stepping away from the shoe lockers. Tsukishima shifted the position of the headphones around his neck to his ears and changed the song playing.

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Resounding and echoing, the volleyball bounced itself to far end of the gym. The pain was instant, the heat spreading to indicate where the cut was and the instinctive reaction to press a hand against it caused more stinging. He was blinded from the absence of his glasses and the blood flowing down that threatened to enter his eyes.

There was commotion; there was always commotion during practice. But now, they were all coming towards him in every direction at the same time. Shouting and yelling, an annoying stampede of thundering steps. In blurred vision, Tsukishima waved a hand around recklessly to the many that were outstretched to him. Contacting one, Suguwara pulled him up to his feet again. The next instant his glasses that became airborne for a bit were placed in his hands. He could hear Yamaguchi's worried voice blending with other tones of worry and concern.

Today of all days… Tsukishima grumbled clutching his glasses that had taken a hard hit from the haywire volleyball when it should've been the sport glasses that he forgot to bring today taking the impact. Inside he was cussing at Hinata or the stupid 'King' that probably sent the volleyball his way.

Able keep one eye opened, he swatted away a hovering hand that was trying to press white mesh against him and blocking what little vision he had left. In the midst of the blur, he could see ovular spots that were shoes step away as blood dripped on to the gym floor. He felt more mesh being pushed to him. In annoyance, exasperation, pain, and irritation he snatched the mesh and stalked out of the gym. Calls and yelling echoed behind him.

Going solely by memory, he maneuvered himself to the nurse's office. Tsukishima watched the blurry figure inside jolt as he opened the door harder than intended. There was a lack of the signature white on the hazy figure, relating to Tsukishima that the nurse was absent adding more fire to his built up annoyance. Nonetheless, he watched a head full of red (?) hair motion him to one of the low white beds.

After some clacking and blurry movements in the distance, the cherry red hair floated back. Now closer and a better resolution, Tsukishima recognized the red hinted with purple hair from this morning. Rolling up her uniform and sliding on gloves, Tsukishima moved the mesh away from his wound that went diagonally from the bridge of his nose to the tip of his brow. Gently, she cleaned up the mess blood made on his features. Her pastel eyes seemed languish but showed focused and concentrated.

She turned away and hunched over the silver tray she had brought over before. Tsukishima slid his glasses back on again only to grumble in annoyance at the angle the glasses were tilting now thanks to the little incident. He was beyond ready to wreck whoever the culprit was, especially a certain orange haired idiot. Noting the girl's own weirdly colored hair, his irritated level increased again. He watched her turn around again with another soaked cottoned in between the silver forceps.

"Can you move your glasses for a moment? I still need to disinfect the wound." She asked. Reverting back to blurry vision, Tsukishima really can't wait to release some verbal abuse on the culprit as the wound stung from the hydroperoxide. Yuzuki took a risky glance at his face.

"Can't you just put a band-aid on and be done with it?" Tsukishima grumbled catching her.

"Although the team does clean the volleyballs often the growth rate of bacteria still exceeds how long it can stay clean. Isn't that right college-prepclass-san?" She uttered quietly. Tsukishima's eye twitched.

Yuzuki stiffened to keep her wits while his deadly glare burned. Hastily she pasted the band-aid on him, careful to only touch the band-aid.

The door slide open just in time before Tsukishima could tell his signature mean jokes.

"Tsukki! How's the cut?" Yamaguchi shouted across the nurse's office.

"It's fine…" He uttered in reply but Yamaguchi's attention wasn't gathered on him.

"Yuzuki-san! I didn't know it was your shift to be in the nurse's office today." Yamaguchi brightened.

Tsukishima watched as the red-purple head turn in slight surprise from the shelf that stored the band-aids she was returning. She answered him with the same brightness.

"I didn't think I would see you too Yamaguchi-san." Yuzuki replied smiling.

"Ah Tsukki, this Yuzuki-san. She's in my Sports-Med class and often volunteers to help the school nurse for experience and stuff." Yamaguchi quickly explained.

Tsukishima just nodded and looked away. Sports-med was one of the few classes that he didn't have with Yamaguchi which answered why he hasn't seen her around him before. But her red contrasted so much with Yamaguchi's dull brown hair. What was the probability of him not seeing her before?

"Yamaguchi, let's head back to practice." Tsukishima ordered seeing that there wasn't an end to their small talk. Obediently, Yamaguchi followed happily along and waved to Yuzuki before leaving.

When the door shut and the footsteps ended, Yuzuki reached for a chair to sit and breathe again. This kind of thing twice a day was really not good for her heart.

Thanks for reaching the end of this chapter~!

I really hope you like it so far! If have anything you want to point out to me or just to say a hello~ I'd love to chat in the comments/reviews!

Hopefully you will stick around for chapter 2!

Have a nice mid-autumn's festival to those who celebrate it! ;)

~Vincere Orbe