Karkat x reader

I sat down by Dave, twiddling my thumbs. I sensed the "cool" kid look over,  and felt him nudge me. " Something wrong, (Y/n)?" I looked at him for a second, then looked back down at my hands. "I-I don't think Karkat likes me back Dave. He seemed pissed at me more than usual today.... Not to mention her threw stuff at me..." I heard him chuckle, and pat my arm. "Oh please. Grouch-ass not like you? Pfft. He's just jealous you hang out with me instead of him." I looked up at Dave, my eyes widened. The normally cold cool kid was showing off one of his rare smiles. "But if your dating Terezi, then why is he jealous?!?!" I could tell he rolled his eyes. "Because, you are giving me your attention instead of Kar." I thought about this, realizing he was right. And I began to think of a plan. "Thanks Dave." I punched his shoulder, and took of to my room, to set my plan into action.

*timeskip to a few days later, in the Labroom of the meteor*

I smiled,  slightly fixing my (f/c) low cut tee shirt. Karkat was going to love this. It was trimmed with little grey cancer signs. I walked into the lab, to see only Karkat, Equius, and Kanaya in the room. Kanaya gave me a wave. I smiled and waved back, and waved at Equius, who was staring at me with a huge blush. I began to head over to the grey, haunched over form of the troll in about to get a huge surprise. I leaned into Kars ear, whispering. " Hey Kit-Kat." I noticed he jumped as my warm breath washed over his ear. He spun around his chair, to come face to face with my shirt. I watched as a cute red blush came to his face as he stared at my chest. I sat in his lap, running my fingers through his hair avoiding his horns. I wrapped my arms around his neck, giggling softly. I saw his blush increase more. "Something wroooooong, Kar?~" He looked up, and crashed his lips to mine, grabbing my thigh.

~Extended Ending~

Kanaya looked over, noticing the new pair getting it on. She messages Dave, telling him their plan worked.