CIIPHER is a 7-member K-Pop boy group formed by RAIN COMPANY. The members are Tan, Tag, Keita, Won, Dohwan, Hyunbin and Hwi. They debuted on March 15, 2021, with the mini-album (EP), 안꿀려 (I Can’t). 6 members participated in survival shows. Tan was in NO.MERCY, which formed MONSTA X. Tag is currently participating in High School Rapper Season 4. Keita and Dohwan were contestants in YG Treasure Box. Won was in Under Nineteen and even debuted in the project group 1THE9 until their disbandment on August 8, 2020. Lastly, Hyunbin took part in Produce X 101, but couldn’t debut because he got eliminated.