Joo Yeo-Myeong, a top Korean actor, has been cast for the lead role in the hot bl-drama “Second First Love.” The second main character is Lee Dan-Woo, an idol who left the group six years ago at the peak of its popularity. Yeo-Myeong, unhappy with the choice of a second actor, announces his departure, and Dan-Woo's debut as an actor seems to be in question. Will Dan-Woo be able to join the project safely? And for what reason did he disappear six years ago?