Unit group TEEN TEEN has confirmed its first showcase.

TEEN TEEN a three-member unit group composed of LeeJinWoo, LeeTaeSeung, and LeeWooJin will hold a showcase to mark the release of its mini-album "BERRY ON TOP" on Wednesday and will meet fans.

Tickets for the "BERRY ON TOP" showcase will be open exclusively at 7 p.m. on Sept. 9 via tickets to the online booking site Interpark. Expectations are rising further as it is the first place prepared for fans by the idol survival program Mnet's "ProduceX101" LeeJinWoo, LeeTaeSeung, and LeeWooJin, which ended in July.

In particular, the showcase will be broadcast live through V LIVE. TEEN TEEN will be vividly portrayed with a much more mature talent and visual.

TEEN TEEN, , begins with TEEN, which means teenagers, and means "children who play 10-favored pop music."

Earlier, the group released contrasting photo teaser that stimulates free-spirited evil looks and fairy tale fantasies, further redoubling questions about the concept of the mini-album.

Meanwhile, TEEN TEEN's mini-album "BERRY, ON TOP" will be released on various online music sites at 6 p.m. on Sept. 18. At 7 p.m. on the same day, the showcase will be held at Blue Square iMarket Hall located in Hannam-dong, Yongsan-gu, Seoul.