Fifty Fifty, a K-pop girl group, has announced the addition of four new members, Yewon, Chanelle, Hana, and an unnamed member, to form the second generation of the group. The group released a YouTube video introducing the new members, revealing that Yewon, a 19-year-old who previously participated in the JTBC idol survival program "R U Next?" and was a trainee at Source Music, along with Chanelle, a 21-year-old Korean American who also took part in "R U Next?" and was a trainee at Belift Lab, are part of the new lineup. Hana, an 18-year-old who debuted on Mnet's children's song survival program "Wicked" in 2016, has also joined the group. The details of the fourth new member have not been disclosed. Keena, the sole remaining member from the original lineup, will make a comeback with the new members on Sept. 20. In summary, Fifty Fifty, the K-pop girl group, has introduced four new members – Yewon, Chanelle, Hana, and an undisclosed member – to join Keena as the second generation of the group. The new lineup was revealed in a YouTube video, with the video providing background information on each of the new members, including their previous experiences and appearances on idol survival programs. The group is set to return with the new members on Sept. 20, marking an exciting new chapter for Fifty Fifty.