"DKDK" is the title track of their album 'To. Day', and it's about how your heart flutters when you come across someone you have a crush on. fromis_9 members Song Ha Young, Park Ji Won, and Lee Seo Yeon helped write the lyrics.
As previously reported, fromis_9 will be returning as an 8-member group as Jang Gyu Ri is participating in 'Produce 48'.
Check out fromis_9's "DKDK" MV above, and let us know what you think in the comments below!