PURPLE K!SS (퍼플키스) is a girl group under RBW. The group consists of 7 members: Park Jieun (박지은), Na Goeun (나고은), Dosie (도시), Ireh (이레), Yuki (유키), Chaein (채인) and Swan (수안). Before their official debut, the group released two digital pre-release singles: "My Heart Skip a Beat" and "Can We Talk Again". They made their official debut on March 15, 2021 with the mini album Into Violet, and its respective title track "Ponzona".