A/N: I am so for Glee/Flash crossovers that I'm past the point of being embarrassed about it and have jumped into shamelessly writing them myself. Because we need more content.

Also, Felicity and Barry are besties. I don't make the rules. Enjoy!

One Friday in mid-Spring found Felicity and Barry walking down the streets of Starling City at nearly the asscrack of dawn, burning time. Daylight saving had just ended earlier that weekend, and frankly, Barry was not computing anything yet.

"Remind me again why we're walking around town instead of dragging Oliver out of that meeting? Isn't he miserable? It's gone over the ending time by an hour and a half," Barry murmured, looking down at his coffee tiredly, "Besides, what sick person makes someone wake up before five am for a meeting, anyway?" He asked, cradling his cup closer to him. The car traffic was fairly light for Star City, but the sounds of cars rushing to their destination washed over Barry similar to the white-noise machine he used in his apartment. Barry was just ready to pass out onto the nearest horizontal surface, and that was that.

"Well, I would offer to get him out with my being the best assistant, but he's been irritating me the past couple of days-what, with the head of that obnoxious rival company observing our work space and Oliver treating me like-" Felicity made a hand gesture, crumbs from the sugary concoction in one of her hands going everywhere.

"An actual assistant?" Barry mumbled into his cup. Felicity looked at her friend, annoyance at Oliver turned into amusement.

"Barry? It's seven. You should be awake by now," Felicity bumped his shoulder.

Barry just looked blearily at her, "I was in the lab all night until early morning." He explained, "I didn't even get back to my apartment before you called me to come out. Which is why I'm still wearing my work attire," Barry plucked at his checkered sweater vest he wore over a button up, and gesturing down at his work slacks and worn out dress shoes. He had nearly ran out in his lab coat, and that would not have ended well. Thankfully, he remembered to hang it over the back of his work chair. As it was, he needed to get another pair of shoes from the run.

"You didn't get any sleep? Barry, I'm sorry. You could have turned me down. I forgot Central's two hours ahead of Starling," Felicity said forlornly, looking absolutely adorable in her fuchsia a-line dress, herself. Though Barry wondered how on Earth she was awake enough to navigate well in her strappy heels.

"Honestly, me too. But it's fine," Barry stifled a yawn, and stepped around a couple who were sprawled out over the sidewalk on their smoke break, "Where are we going again?"

"I wanted to go to the hardware store to fix my set up in the, uh, basement." Felicity floundered.

"That sounds either very sexually ambiguous or extremely frightening in a serial killer kind of way," Barry spoke, and glared at his now offending empty coffee cup.

"Oh. Oh no no, that's not what I meant at all-Barry!" Felicity stuttered, slightly delayed, and slugged him in the arm.

"Wh-ow, that actually really hurt," Barty pouted down at the blonde, rubbing his bicep.

Felicity had started snorting, "I'm sorry-I'm just surprised!"

"You punch people when you're surprised?" Barry asked, side stepping from their trek down the sidewalk to throw his cup away and returning to her side. The two dodged other commuters on the sidewalk easily.

"I didn't expect you to say anything like that," Felicity laughed, but then stopped, leaning in closer as to not be overheard by the morning crowd, "You know I mean the Quiver, right?"

"Like that sounds any less sexual. Tell me, is the Arrow in the Quiv-ow! Felicity, what-" Barry rubbed at the same bicep again, for Felicity's hands were small and her knuckles sharp because of it.

"Sorry, impulse." Felicity grinned unabashed, adjusting her glasses as she continued, "Anyway, as I was saying before your surprising gutterball comment, we could go back to my apartment and hit the bed."

"I… really don't have much energy, Felicity, and as… flattered as I am," Barry trailed off, squinting up at the sky that was slowly brightening by the day break.

"No-no, that came out wrong. I meant you can nap in my bed while I work on the program I was telling you earlier about," Felicity corrected, a blush dusted over her fair cheeks.

"You angel," Barry smiled dreamily at the prospect of a nap. The two of them parted as someone barrelled between them without so much of a glance to either of them. Barry huffed out a breath as they matched their strides again. People were just plain rude sometimes.

"Do you need another coffee?" Felicity asked after a couple minutes of silence, bumping him gently with her shoulder, "You look dead on your feet," she added.

"If I'm going to take a nap I don't see the point. Hey, can I use your shower, though?" Barry thought of, "I was wearing gloves and what not at the crime scenes but I still feel gross."

"Yeah, no problem! And I have a change of clothes you can probably fit into." Felicity smiled, "And Oliver's underwear."

"What..?" Barry squinted.

"Oh! Well, Oliver changes at the.. uh, basement… a lot, so a pile of clothes was amassing and it started to annoy me so I brought it to my building's laundry and washed it all and now it's all in a box in my closet. I don't think Oliver actually noticed he's missing clothes-which is irritating-but if he ever shows up on my doorstep with his clothes all ripped up again or at my car in full gear, I will be ready." Felicity quickly explained in the rambling way Barry adored her for.

In fact, Barry was so engrossed with Felicity's rambling, that he didn't look up in time when they followed the sidewalk corner, effectively running into someone. A soft oof was punctuated with the fluttering of papers falling every which way. He stopped, stunned, and flitted his gaze over an equally stunned-looking man. Felicity stooping towards the ground, mindful of her dress, is what restarted his exhausted brain.

"I am so, so sorry; I'm such a clutz, let me pick these up for you." Barry immediately squatted down and pulled together the papers that had fallen from the other man's grip, face flushing in embarrassment.

"Hey, no worries." A familiar voice placated, with amusement colouring its tone, "Besides, that bashful schoolboy thing you've got going on? Super hot."

Barry heard, snapped his face up, and looked at the other man with an assessing gaze. "Uhhh-" he began, hands stilling over the pile of papers he gathered, having placed the familiar voice the moment they locked eyes.

Barry's hazel eyes met warm honey brown ones, crinkled into a smile. Framing the other man's eyes were strong brows and a mop of unruly curls that made Barry smile faintly, remembering a gel-hement of trapped insecurity from "back in the day". It was quite odd (or maybe not odd, Barry hadn't seen the man in person in years) to see him not in his signature bow-tie and suspenders. But, he looked good, regardless. He wore stonewashed skinny jeans and a floral pastel shirt complete with his signature pair of rose suede oxfords. Barry could easily see how his high school style had progressed into his current style and the thought placated him somehow. Time was weird.

"Long time, no see, huh?" Blaine Anderson smiled sweetly at him. That was an understatement: it had been nearly a decade. Barry supposed he should say something back, but he was so unprepared-he never thought he would see Anderson in the flesh after they graduated from high school, much less have conversation with him. Though, it was pleasant to see him again, he looked like life had been treating him well.

Barry's eyebrows furrowed as he attempted to start up his brain and formulate actual words like a normal functioning member of society. But damn, was Barry just tired. Felicity had picked up a couple of folders that the loose leaf paper had escaped from and tapped them on Barry's shoulder, prompting him to take them.

Barry took them mechanically, meeting Felicity's inquisitive stare. He worked his jaw but still felt at loss for what to say.

"Hi, I'm Felicity. You two know each other?" Felicity offered her hand to Blaine, all smiles. Thank God for Felicity Smoak. Barry blew out a breath and shuffled the papers into one folder, not wanting to invade Blaine's privacy by trying to sort them out for him.

Blaine smiled back brightly and shook Felicity's hand enthusiastically.

"Say, you look familiar," Felicity trailed off. Barry drew himself back up into a standing position, intrigued.

"Blaine Anderson," Blaine introduced himself.

"No way! You're," Barry looked over, expecting Felicity to say, 'Cooper Anderson's little brother,' a la high school era. However, she continued, "Harry Potter!" Good for Blaine, making his own place in the world-wait, what?

Barry snorted loudly, "What?" That had got to be the most hilarious thing he had heard all morning, his sleep addled brain thought.

"Yer a wizard, Killer," Barry continued, wheezing. Blaine turned his smile onto Barry, eyes dancing with amusement. Felicity turned on Barry, hands splayed and thrumming with excitement.

"No, no-I'm serious! Remember you told me you liked musicals a while back, and I know you've read at least half of the Harry Potter series. Mr. Anderson-"

"Just Blaine, please," Blaine interjected. Barry took the pause in conversation after to hand Blaine his folders. The curly headed man smiled gratefully at him.

"-Blaine plays Harry Potter in A Very Potter Musical! They've been touring for a while now," Felicity regaled him excitedly.

"Wait, Sebastian, you haven't read all the books yet?" Blaine asked Barry incredulously, leaning into his space like a sunflower, holding his folders to his chest.

"Sebastian?" Felicity repeated, squinting at Barry.

"Uhhh," Barry said in lieu of speech, the second time that morning. He didn't foresee himself getting that nap anytime soon. Damn.

Honestly this whole thing was written around Blaine saying the "bashful school boy" line back at Barry.

This was intended to be a one-shot, so as of now I'm not sure where it would go if I decided to add on. Like-is it Olicity? Are Klaine still a thing? Why is Blaine in Starling, anyway? Should I just leave it up to y'all to decide? Lmao. I am open to continuing this. Mostly because I'm pretty sure I've binge read through all of the Sebastian is Barry tag and have a craving now.

Who am I kidding, there's definitely going to be a second chapter.

Comments are love!