It was Halloween afternoon in some part of the world.

Everyone aboard the BUS was in their bunks changing into their costumes for Agent Coulson's mandatory Halloween party, or perhaps hiding in their bunks hoping that a world-ending catastrophe would suddenly pop up and save them from having to come out in costume. But Skye had no problem with Halloween or dressing up in costumes, especially with the one that she had been able to go with this year, so she was already out of her bunk leaning back against the metal pole of the spiral staircase up to AC's room, facing towards her, Fitz, and Simmons' bunks, waiting for whomever of the British science duo came out first. And unsurprisingly, being a guy and therefore much less inclined to excessive amounts of make-up, overly complex costume attire, overthinking how he looked, and having too short and soft, fuzzy lamb-like hair to do anything with, unlike Simmons' longer hair, it was Fitz who came out of his bunk first, dressed up as Captain America, slipping out the door of the bunk between Skye and Jemma's bunks.

What was surprising, however, was the fact that he made a beeline straight for her, and before she knew what was happening he had grabbed her face in his hands and planted his lips down on hers passionately, snogging her like she imagined him doing to Jemma in more than a few of her dreams. She froze in shock at the completely unexpected (but not at all unpleasant) action for several seconds, before her brain overrode her lips that were screaming 'Kiss! Kiss! Kiss!', and she pushed him away to stare at him in shock.

"I'm not actually Jemma, I just dressed up like her! A Halloween costume!" she exclaimed, as her costume was in fact none other than Doctor Jemma Anne Simmons, if with just a few more buttons of her blouse undone since Halloween was supposed to be a slutty holiday, and she was still Skye after all, not the prim and proper English woman. "And anyway, since when are you and Jemma smooching to begin with?! I've been trying to make you two see that you like each other instead of you liking me for like the entire time I've been on this plane with you guys, but I've never seen the slightest hint that it was working!"

"Oh, Jemma and I have been together since long before we left our non-mobile lab at Sci-Ops to come out into the field with Agent Coulson," Fitz brushed off nonchalantly. "We're just both professionals who knew it was a violation of Section 17, so we've never shown it in public so we wouldn't get in trouble and them try to separate us. Agent Coulson does know, however, he had our two bunks redesigned to be one long bunk on the inside while still looking like seperate bunks on the outside, and would doubtlessly let us get by with pda on his plane if we wanted to, but we never have so we wouldn't even know how to appropriately. Well, Jemma probably would, she knows everything, but I wouldn't."

Skye stared at Fitz in shock for several seconds, before exclaiming the first, and then immediate second things to pop into her mind. "Then why did you just walk up and start making out with me? — Since there's no possible way you mistook me for Jemma no matter how I'm dressed. And exactly what kind of 'together' are you two, anyway? — Besides infuriatingly secretive about it for the absolutely amazing matchmaker over here."

"We're married, going on three years," Fitz answered nonchalantly like he was just commenting on the weather out the window of the BUS — sunny or clear, like every single other moment since they flew above cloud-level. "And of course I knew you weren't Jemma, but you were dressed up like her, so in the spirit of Halloween I could pretend you were. Didn't figure you'd mind, anyway, based on some of the looks I've seen you give me since we met."

"I was thinking about you two getting it on, not wanting to make out with you myself!" Skye exclaimed, not even thinking about how pervy that could sound, and resolutely ignoring how whopping big of a lie it was that she had never looked at him for herself should her matchmaking somehow impossibly fail. "But that's still not an answer! Jemma's going to kill you if she finds out you cheated on her! Right after killing me!"

"She's standing right over there," Fitz answered calmly, turning to the side to motion directly behind where he had been standing while facing Skye.

Skye looked where he was pointing, straight in front of her but previously blocked by Fitz's slightly larger frame and the distraction of him kissing her and her trying to find out what the bloody hell?!, and sure enough, there was the English biochemist standing in the doorway of Fitz's bunk in her Black Widow costume matching her husband, looking in their direction. As soon as she saw Skye look at her, she smiled brightly and gave a little wave, before hurrying over.

And before Skye could even try to say anything in reference to the fact that Jemma had apparently been watching her husband kiss Skye, Simmons said to her with a smile, "Looking good there, Doctor Simmons. I think you might have missed a few buttons on your blouse when getting dressed, but otherwise you look like you're ready to save the world with science, or else conquer it."

"It's Halloween!" Skye exclaimed in knee-jerk reaction before remembering the much more important issue than mandatory Halloween sluttiness, and exclaiming even more fervently, "But that doesn't matter, your apparently husband just kissed me! And you watched! And thanks for never bothering to tell me that you're frickin' married, by the way!"

"Oh, sorry — would you have preferred me kiss you?" Simmons responded innocently, completely avoiding everything that Skye had just said, before she stepped up right in front of Skye and gently took the younger girl's face in her hands in much the same way that Fitz had before, and leaned up slightly to press her own lips against the hacker's, though more soft and sweet than Fitz's passionate kiss.

Once again Skye froze in shock, despite Simmons' much more deliberate pace alerting her to exactly what was about to happen before it did as impossible as it might seem. But this time Skye didn't push Simmons away when her brain caught up, and she very hesitantly began to kiss back, not having to worry this time about the kisser's spouse not approving, as he was standing right there watching — okay, so Simmons had been watching as well, but she hadn't known that, had she, and anyway, that time had been a total surprise where she had absolutely no bloody clue what was going on. Okay, so she still had absolutely no bloody clue what was going on, but she at least knew that they clearly had some idea of what they were doing, since they were pretty clearly doing it together now.

When Skye started kissing her back, Simmons slid one hand behind Skye's head to tangle in her hair as the other slid around to her back to pull her flush with her and began kissing more firmly. Simmons knew from talking with Skye over the couple of months that they had all been on the team that Skye had kissed girls before, so she wasn't any more concerned about kissing Skye without more than a slight visual warning than she had been about Fitz kissing Skye completely unexpectedly, despite Simmons being a female herself like Skye. And Skye certainly didn't seem to mind as she was kissing back quite reasonably by the time that Simmons finally pulled back, not really wanting any of the rest of the plane to see them right now, not until they had worked this out amongst themselves.

Looking back and forth between the two Brits, Skye said, "Okay, seriously, what the hell is going on here? I wondered that when Fitz walked over and kissed me out of the blue even with my 'Simmons' costume on, but now I really have no clue."

"Do you want to have a clue, or do you want me to just snog you again?" Fitz replied, stepping back up close enough to Skye that he would be able to, though not touching her at all yet.

"Fitz," Simmons reprimanded her husband with a roll of her eyes, before beginning to explain to the younger girl, "Skye, Fitz and I —"

But Skye never heard the rest of what the English woman had planned on saying, as she decided that Fitz really did have the right idea here and so launched herself onto him, lips smashing into his as her arms wrapped around the back of his neck. As she began practically making out with him, making up for the opportunity that she had lost by not kissing back when he had passionately kissed her to start all of this, Fitz wrapped his arms around her lower back and pulled their fronts completely flush, lifting her onto her toes so that they could kiss more evenly. They kissed and kissed until the need for oxygen finally forced Skye to break apart from him, not as well-practiced as Fitz was in breathing while snogging.

Looking at both of them, but especially Simmons, she said, "Yeah, turns out I don't really care why. Keep this up and you can keep your crazy reasons all to yourself."

"I still think—" Simmons began, before being cut off by her husband.

"Wonderful, then! Welcome to the 'Make Jemma Orgasm Till She's Screaming And Begging To Stop' Club, that usually ends up pretty enjoyable for us as well," he said to Skye. "Aren't you glad you decided to dress up as her for Halloween?"

"I knew it would be a good costume, but I didn't realize it would be this good," Skye smirked back, making Fitz laugh and Simmons roll her eyes in loving exasperation at the both of them.

But she certainly couldn't disagree.