The Perfect Senior's Secret!

Tae-Hyeok, the perfect, top-of-the-class senior who’s kind and friendly to everyone. But is there a crazy, unpredictable jerk hiding beneath that perfect facade? The only girl among his classmates who knows his secret. And the crazy, unpredictable jerk who’s becoming increasingly obsessed with her. The slightly complicated college life of these two attractive students begins. (Source: Naver, translated)