However, your relationship starts from the point after the storyline of the drama. This means that his ex-girlfriend is the female main character in that drama.
-Chilbong-ie...
-Baek Seungsoo from Stove League...
-Cha Eunho from Romance is a Bonus Book...
-Jungpal-ie...
-Nam Siheon
-Gong Yoo from Cofee Prince
-I was going to say Yoon Yoonjae, but I know I can't replace Sung Siwonㅎ
-Kim Tan from The Heirs? If Cha Eunsang was his ex-girlfriend, I'm kinda relieved because it was a really great decision that they broke upㅋㅋㅋ
-How can I replace the female main character when I watched him fall in love with her...
-I wonder if I can replace Hong Seol...
-If my relationship starts after the drama ends... I don't think I can even date him because he's already dead...
-Choi Woong... Woong-ah...
-I mean... How can I replace Bongsoon...?
-Baek Inho...
-Kim Doha from My Lovely Liar
-Cha Eunho from Romance is a Bonus Book. The female main character ends up breaking up with him and getting married to Wonbin anyway...
-Let's be real here... Why would he date me in the first place...?
-Choi Doil from Little Women...
-What about Han Jipyeong...? I know he's the second male lead character, though...