KAACHI 가치 Now Known As ATTI Is Credited As The First London-Based K-Pop Girl Group. The Group Originally Consisted Of 4 Members Nicole 니콜 Chunseo 천서 Coco 코코 And Dani 다니 Who Left The Group On July 23 2021. They Debuted On April 15th 2020 Under FrontRow Records With Their 1st Single Album Titled "Your Turn."