A partial lineup of contestants for Mnet's brand new female idol competition program, 'Queendom Puzzle', has been revealed.

According to media outlet reports on April 24 KST, formerly and currently active female idols including Lee Chae Yeon, Yeeun of CLC, Haein of LABOUM, JooE of Momoland, Kei of Lovelyz, and Shiroma Miru of NMB48 have confirmed their appearance on 'Queendom Puzzle'. Earlier, it was also announced that members Riina and Hwiseo of the rookie girl group H1-KEY would be participating as contestants on the Mnet show. 

Meanwhile, some media outlets have now reported that previous rumors of former IZ*ONE members Yabuki Nako and Honda Hitomi appearing on 'Queendom Puzzle' are false. 

A complete lineup of contestants will reportedly be unveiled some time in May, ahead of the premiere of 'Queendom Puzzle' in June.