Based in the fact that Jennifer Morrison said that Killian is "sort of" Emma's boyfriend (YES!!!! YOU HEAR THAT? WE WON!!! REPEAT, WE WON!!!!!!!) This takes place before the whole Marian crisis, outside of the diner at the table. I hope you like it!!!
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"Whoa," Killian breathed against Emma's forehead. They had been kissing for at least five minutes and he was practically speechless.

Emma laughed. "In other words, thank you," she said. Their foreheads were still touching and they were both so happy.

"I like this way," Killian replied and leaned in to continue the kiss, confident for the first time that he could.

Emma gave in, but after another few minutes, she broke the kiss. "What if someone sees us? We should- mmmmm!!!" Killian wasn't done.

This game lasted another ten minutes, not to either of their disappointment, before Emma was able to duck away, smiling and laughing at Killian's pouting face.

"Can we go inside?" She laughed, "Please?" "Fine," Killian puffed playfully and offered Emma his arm which she took with a smile.

"So," she stopped him before they entered Granny's again, "now that you're kinda my boyfriend, how do we tell my parents?"

"Really?!?" Killian said in awe. Emma nodded, still smiling. Killian was filled with joy and pride. "I may have an idea..." He said mischievously and lead Emma inside, their arms still linked.

Killian tapped Charming and Snow on their shoulders and once they turned around, Emma started to say something, but Killian just took her head in his hands and kissed her lips, right in front of her parents.

The kiss only lasted a few seconds before Charming pulled Killian off of Emma before punching him square in the face. "Dad!" Emma exclaimed, bending down to make sure Killian was okay.

"He kissed you!" Charming defended. "Was there a point to what you just said? We were trying to tell you something!" Emma laughed, helping Killian up, who was starting to get a bruise on his face.

"He... You... You're... What?" David was piecing together what was going on. Snow just laughed and smiled at Killian, sending him a silent message: finally. Killian smiled and took Emma's hand.

"Are you two... Together?" David demanded. "Kinda?" Emma said. "Yes," Killian said, making Emma turn around to look at him and start laughing. Charming glared at Killian for a few moments, but then sighed. "Fine. Fine, go before I get the urge to hit you again,"

"Well, that went well," Emma said sarcastically. Killian smiled down at her. "He'll live, love," "Are you okay?" She asked, touching his nose. "Yeah, I'm fine. I've had worse beatings than that," he assured her. "Good. I'm sure Mary Margaret will talk to him. I'll make him be okay with this," Emma started talking quickly.

"Emma! It's okay, I'm fine," Killian said again. Emma nodded and Killian led her over to a hallway where they spent the next several minutes kissing again, and secretly, both were imagining their future together.