Stars: Choi Woo-sik, Kim Da-Mi, Kim Sung-cheolSummary: A coming of age romantic comedy that revolves around Choi Woong (Choi Woo-shik) and Kook Yeon-soo (Kim Da-mi), ex-lovers who broke up with a promise to never meet again. As luck would have it, the documentary they filmed ten years ago in high school went viral and they are forced to face the cameras together again. The series depicts their complicated feelings and growth. ?Wikipedia