Here are all the members from eldest to youngest.

Alexander Hwa Su Jin

23,  Main Vocal and Jack Of All Trades

Kim Taejim

21, Lead Rapper and  Sub Dancer

Hwan Chae Min

21, Leader and Lead Vocals

Kim Ryuyoung

20, Main Rapper and Dancer

Kim Jinhyuk

20, Jack Of All Trades and Centre Face

Cho Chan Ji

19, Main Rapper and Main Dancer

Jang Haebin

19, Jack Of All Trades and Sub Leader

Song Yoojin

19, Lead Vocal and Sub Dancer

Lee Yinae

19, Lead Dancer and Jack Of All Trades

Kwon Kiyoon

19,  Lead Dancer and Sub Rapper

Han Minmi

18, Main Dancer and Sub Vocals

Kim Baeyoung

18, Main Dancer and Centre Face

Yang Do Hyeong

18, Lead Dancer and Visual Maknae

Kim Minrin

18, Main Vocal and Lead Dancer

Shin Youngjae

18, Main Vocal and Jack Of All Trades

Jang Miyoung

17, Jack Of All Trades and Lead Vocal

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HERE IS THE FINAL LINEUP~

I made a few changes regarding to age~

~^_^~

Congrats guys~ Welcome to J-Beat~