He knows her secret. She knows his secret too. He is the coolest guy in school. She is the curve wrecker of class. They make a deal in exchange to keep each other's secret. They should be strangers after that promise. But he offers to help her confess to her crush at the same time. Is that true? Is he just teasing her? Or...? Original Webtoon: KuaiKan Manhua Official Translations: English, Japanese, Korean