On June 13, the cast of Mnet's new girl group competition program 'Queendom Puzzle' attended a press conference at HW Convention Center in Seoul. 

A spin-off of Mnet's 'Queendom' series, 'Queendom Puzzle' allows contestants who are current or former girl group members to showcase their talents in a series of competitive rounds, while viewers will be given the chance to put together different member combinations based on the participating contestants to form their "dream" girl group. 

On this day, all of the contestants of 'Queendom Puzzle' except Shiroma Miru and Fyeqoodgurl appeared at the press conference alongside MC Taeyeon of Girls' Generation. 

These are the 26 current/former girl group members who will be competing on 'Queendom Puzzle': H1-KEY's Hwiseo and Riina, tripleS's Seoyeon and Jiwoo, Weeekly's Zoa, Soojin, Soeun and Jihan, Rocket Punch's Yeonhee, Juri, and Sooyoon, Woo!ah!'s Nana and Wooyeon, LIGHTSUM's Sangah, former Momoland member JooE, Yeeun, AOA's Dohwa, former Lovelyz member Kei, Cosmic Girls's Yeoreum, PURPLE KISS's Yuki, Weki Meki's Elly, and Cherry Bullet's Chaerin, Bora, and Jiwon, former AKB48 member Shiroma Miru, and Thai singer Fyeqoodgurl.

'Queendom Puzzle' premieres on Mnet later tonight on June 13 at 10 PM KST.