You and Mattheo always have been enemies, but he desperately wanted to make his ex jealous. So he asked you to play a bit. You thought you would just have to say you were his new girlfriend but he had an other idea. He kissed you without warning, making his ex leaving, indeed. You gave her a fake smile and when she was gone you slapped him.

"Really ? You just had to kiss me ?"

"Aww come on, you liked that."

He said with his usual, insufferable smirk, before you slapped the back of his head, hard.

"Ow ?!"

"Aww come on, you liked that."

You said, colder than him.