= MamaMOO+ (Sola, Moonbyul) revealed a Kitsch charm with a Teaser image. MamaMOO+ released the last Teaser image of the title song 'GGBB' of the first Single Album 'Historical reenactment circle, Shin Won (ACT 1, SCENE 1)' on the official SNS on the 27th. MamaMOO + in the photo contains Y2K styling. It showed a hip look with Kitsch accessories in a free-spirited atmosphere. Sola and Moonbyul participated in the composition and composition of the song "Historical reenactment circle, Shin Won". MamaMOO + 's first Single Album' Historical reenactment circle, Shin Won 'will be released at 6 pm on the 29th.