F to F

University student, Shin Ha-jin, is rumored to have a continuous stream of girlfriends due to his good looks and kind personality, but in reality, he is a virgin who has never even kissed anyone. One day, while alone with Kwon Do-kyeong, a physical education student who had been bickering with him since before he returned to school, he unexpectedly gets an erection… and after that, new feelings for Do-kyeong start to blossom.