❝Not all secrets can be hidden forever. ❞ ... In which an ex-spy went by a codename 'Jack Frost' must stopped a terrorist group named Black Nightmares. But when he tried to stop Black Nightmares, he met his old enemy called 'The Snow Queen' who also wanted to stop Black Nightmares. And now, they had to work together as a team in order to stop Black Nightmares. But some secrets were meant to be revealed after all. ... Jack Frost and Elsa Fanfiction (Original Title: The Spy Project)

Elsa Arrendelle is the smartest girl of frost high. Jack Frost is the major playboy of the school and his parents own the school. Jack always bothers Elsa and they hate each other. But soon Jack gets feelings for Elsa.

[ Jelsa Highschool AU ] "So I heard you're a player. " Elsa said to the pearly-white haired boy sitting right next to her. "Player... heartbreaker..." Jack Frost faced her with his signature smirk on his face. "Stop stating the obvious." Shrugging it off, she continued, "Do you want to play a game?" "What kind of game?" He leaned on the back of the chair with a hint of interest in his voice. "The rules of the game are simple. You play the boyfriend. I play the girlfriend. And as any normal couple would, we would go on dates, hold hands, share kisses, give each other gifts, spend time together-" "Forget it." He immediately denied her offer. Just has he thought. Another girl in desperate need of wanting him as a boyfriend. To his dismay, he heard her continue. "And whoever falls in love first?" She asked an unasked question to sit still in the air until he glanced her way. Satisfied that she grabbed the frostbitten boy's attention once more. Her beautiful nude lips played a devilish smile as she declared, "Loses." That statement of hers made Jack's ears perk up, and he gave a mischievous smirk in return.