Imperfect 23

Ha-Yeon, a film student, tries to overcome his slump by getting drunk for the first time in his life and seducing a man. But this man... is Si-Hyeon, a high school classmate he has a bad relationship with?! But despite the ill feelings between them, Si-Hyeon boldly approaches Ha-Yeon and even helps him film a movie... (Source: Lezhin, translated)