F to F

Shin Ha-Jin, a student in the Department of Physical Education at Hankuk University. He has a handsome face and a kind personality, and there are rumors that he has a girlfriend, but he is actually a virgin who has never even kissed her. Ha-Jin had been bickering with Kwon Do-Kyung, a student in the Department of Physical Education, before returning to school, and when he was alone with him, he unexpectedly got an erection. After that, he began to develop feelings for Do-Kyung that were different from before.

(Source: Bomtoon, translated)