why do drama writers always make the main character and his ex have a good relationship, I don't like this, moreover he left the main character at the time of his fiancé, is there no resentment in the main player, I can't stand watching this drop in episode 6
https://yumis-cells.fandom.com/wiki/Woong_Ku
https://yumis-cells.fandom.com/wiki/Babi_Yoo