tripleS continues to introduce the members of the group through teaser photos.

On April 20 at midnight KST, the girl group released the 'circle' concept photos of the twelve members SeoYeon, HyeRin, SooMin, YuBin, Kaede, DaHyun, Kotone, YeonJi, Mayu, ShiOn,  SeoAh, and JiYeon.

tripleS is preparing to release their first full-group album 'ASSEMBLE' on May 8 at 6 PM KST.

Meanwhile, tripleS recently revealed the final 24th member of the group to prepare for the release of their full-group album 'ASSEMBLE24.' With the 24-member album release in May, tripleS will become the largest K-Pop girl group in terms of numbers in the history of K-Pop.

SEE ALSO: All 24 members of TripleS display their compelling charisma in the new group teaser for 'ASSEMBLE24'