Finally, Jellyfish Entertainment's nine-member girl group named gx9 is now complete after the final three members, namely, Sally, Mina, and Hyeyeon were revealed on Thursday. They are the "maknae line" of the girl group, this means they are the youngest members of the group.

At first, Nayoung, Hana, and Mimi were introduced on June 14, leaving fans curious about their soft and lovely images. Then, Soyee, Sejeong, and Haebinwere introduced on June 15.

Kim NaYoung known as Nayoung has been trained for two years and three months. She sings Jazz, and participated in "Produce 101," finishing in number 14. Kim was born on November 23, 1995, and studied in Baeksok Arts University. She likes watching videos on YouTube and listening to music.

Kang MiNa known as Mina has been trained for a year and one month. She was a member of I.O.I and participated in "Produce 101," finishing at number 9. She was born on December 4, 1999, and studied in Seoul School of Performing Arts. She likes watching plays and dramas and loves traveling alone. Her birthplace is Jeju Island, South Korea.

Kim SeJeong known as Sejeong has been trained for a year and 11 months. She sings ballad song and was a member of I.O.I. She participated in "Produce 101" and finished ranked her number 2. She was born on August 28, 1996. She likes painting and rewatching movies.

Fans are curious to hear what kind of music the group will make.