Fitz unlocked the door to his and Simmons' room and walked in, glad for the day to be over.

He wished it could be over for Simmons as well, but she had a project that couldn't wait until morning, and so was staying late in the lab to finish it. He had offered to stay with her, but she'd insisted he go ahead and head back to their room, and she'd be there as soon as she finished, whenever that was.

But as soon as Fitz looked up from tossing his bag on the floor next to the desk, he knew his evening alone wasn't going to go the way he'd imagined it would.

Namely, because he wasn't actually alone.

Stretched out leisurely across his and Simmons' bed was none other than Daisy, wearing nothing more than a lacy dark purple bra and matching knickers, and looking over at him casually like she was expecting him and nothing unusual at all was happening.

"D-daisy?" stuttered Fitz, gawking at her state of undress for several seconds before realizing what he was doing, and quickly turning around and screwing his eyes shut. "What are you doing here? Like that!?"

He waved his arm behind his back in her general direction.

"Simmons knew she was going to have to work late tonight, so she asked me to take her place until she could make it," replied Daisy like it was a standing arrangement they had, hiding the smirk that was trying to creep onto her face, before asking as innocently as she could, "Does Simmons never wait for you like this?"

"No!" exclaimed Fitz offendedly turning around to glare at her, so outraged that he momentarily forgot all about the fact that Daisy was laying posed on his and Simmons bed in nothing but very revealing lacy purple lingerie. "Simmons knows I love her too much to feel like she needs to objectify herself for me!"

There was a long pause as Daisy did smirk back at him, before Fitz's brain finally caught up with the fact he'd basically just accused Daisy of objectifying herself for him.

"I'm so sorry! I didn't mean to imply you were—! I mean, if you like dressing like that for a guy then by all means you should do whatever you want!" he exclaimed hurriedly, stumbling over his words in his haste to get them out, even taking several steps towards her before remembering that she was still half-naked on his bed, and quickly shutting his eyes and turning back around.

"Yes, I do like dressing like this for guys I like, and I really appreciate it when they enjoy the show I'm putting on for them, instead of screwing their eyes shut and facing the opposite direction," replied Daisy pointedly.

Fortunately, Fitz's genius-but-often-missing-the-obvious brain was able to quickly piece together that she was talking about him, and he slowly turned around, squinting one eye open, clearly still trying to look her in just the face, and not everywhere else.

"But — Simmons!" he exclaimed.

"Asked me to do this," replied Daisy completely seriously. "And since I, and she, knew you wouldn't just believe me, look at your phone."

Fitz warily pulled his phone out of his pocket, and found he had a message from Simmons that certainly hadn't been there before he'd walked in on a half-naked Daisy. It read:

Yes, Fitz, I really did ask Daisy to be waiting for you on our bed when you got back. I will still be working at least several more hours, and I thought there was no reason for you not to go ahead and get started without me, so I asked Daisy to fill in. I know you're still physically attracted to her no matter how much you'll deny it, and while we've never talked about doing anything with Daisy before, honestly I'm attracted to her, too. So have fun with her — and by that I mean have sex with her — and if the two of you are still awake when I can finally make it out of here, I'll join in, or else just join you two in bed and maybe we can do something in the morning.

And so you won't question whether Daisy somehow hacked our phones to send you this, you always used to keep the screwdriver set I got you for your first birthday after we met in the bottom drawer of your lab bench, even though it wasn't actually useful for your types of projects and so you never used it after the first few times to try to make me feel good.

Love, your girlfriend, Jemma

Fitz stared at the message for several seconds, rereading it twice, before finally looking back up at Daisy.

"Happy?" asked Daisy with a smirk.

"How'd you—? This wasn't there when I walked in!" exclaimed Fitz in confusion, waving his phone around haphazardly.

"I already had a message typed up to let Simmons know when you arrived, and hit send when your back was turned, and she had her message ready to send to you in return," replied Daisy. "Now are you going to keep standing there gaping like a fish out of water, or get over here and show me what Simmons gets every day?"

Fitz looked back down at his phone one last time, rereading the part that said, 'so have fun with her — and by that I mean have sex with her — and if you're still awake when I can finally make it out of here, I'll join in, or else just join you two in bed', before finally accepting that it was real and his girlfriend wanted him to sleep with Daisy, and set his phone down on the desk and crossed over to the bed and a waiting Daisy.

~AoS~FSK~AoS~

Several hours later, Fitz was awoken by soft fingertips stroking his back.

"Simmons," he mumbled sleepily, before suddenly shooting straight up, staring at Simmons for a second wide eyed before quickly glancing down at Daisy next to him and then back up at Simmons.

As Daisy grumbled something incoherent into her pillow at being awoken by Fitz's sudden movement, Simmons couldn't help the small laugh that escaped her lips.

Resting her hand gently on Fitz's arm, she said, "Relax, Fitz. Yes, this was my idea, and I probably should have talked about it with you first, but the opportunity arose and I went for it. And if you really had a problem with it I knew you'd either go sleep in the common room or come find me in the lab. But since you didn't, how was it?"

"Amazing," interjected Daisy sleepily but earnestly. "You're a lucky woman."

"As are you too, now," replied Simmons, reaching across where Fitz was staring at her in disbelief to brush Daisy's hair out of her face, her fingertips ghosting across the younger girl's cheek in the process. "I suppose we all need to soon sit down together and figure it out for real, but as long as both of you are okay with some kind of three way relationship, I've been thinking about it for a while now. But at the moment, I think we should just go to sleep, and save anything more fun for the morning."

Daisy expressed her agreement by mumbling into the pillow she'd buried her head back in, as Fitz slightly tentatively leaned over and kissed Simmons. Simmons readily responded, but kept it light as she really was tired, and wanted to go to bed more than she wanted anything else at the moment.

As Simmons snuggled into her spot on his shoulder and he wrapped his arm around her shoulder, Fitz whispered quietly to her, "Love you", before they both joined Daisy in sleep.