Honestly, it was just a mess. The both of you weren't even friends or anything. In fact, Percy remembers a time of where you would taunt him on a daily, he also remembers you scoffing whenever he would be assigned a quest ( that you often possibly, secretly, wished to be your own, when it rarely ever was ).
Percy was aware more than aware that you didn‘t necessarily liked him ― if anything, you tolerated the son of Poseidon, and liked to push him around.
But... kissing him didn't really count as tolerating, did it? Shit..., and he wasn’t even pushing you away, but neither was he kissing you back ― because Percy Jackson was a damn coward.
It's not like he hated it... it's just that he was utterly confused. The kiss was warm, yes, but you also kissed him like an enemy, like all your frustration regarding the boy was going right into that kiss.
"Wait ― Stop" his sword had fallen to the ground the moment you‘d grabbed him by his shirt. Just ― Percy was convinced that you were dueling. Not making out. Oh well…
"Seriously dude, i‘m not―" Just thinking about it had his cheeks heat up... Shit. Because what was he even supposed to say? That he wasn’t into boys? Sure. Then why did he not move away when your lips were against his…