The veteran companies in the industry are being overtaken by smaller agencies.
Ten celebrities in Korea were recently involved in a drug bust.
The final episode of the series airs on April 1.
Due to the strict "Produce 101" contracts, she was unable to promote heavily in the past.
Currently, two girl group members are officially being considered to become the star's wife, while a third member is rumored to have already been chosen.
Joong-Ki also answers which co-star's character he is most attracted to in real life.
The special will include an epilogue to the drama, showing viewers the future of the on-screen couple.
JYP's previous comeback was over a year ago, with "Who's Your Mama?"
The single will also include their previous single release, "October Weather."
Currently in their second year, GFriend is already planning on debuting in both Japan and China.
The drama has also been licensed in over 30 countries across the world.
There were no other K-pop acts included on the list of 127 potential candidates.
According to a personal message written by Amber herself, the song was inspired by her personal experiences and hardships reaching stardom.