Cignature is a South Korean girl group formed by C9 Entertainment, comprised of members Chaesol, Jeewon, Seline, Chloe, Belle, Semi, and Dohee. The girls made their debut on February 4, 2020, with their first single titled "Nun Nu Nan Na," announcing their upcoming EP Listen and Speak which appeared on September 22, charting at number 21 and featuring "Arisong" as the lead single - seeing its music video garnering 3 million views within just two days of its release. On November 30, 2021, the group released their second EP, Dear Diary Moment, which reached number 22, featuring the lead single "Boyfriend." Cignature made a comeback after a 14-month hiatus with their third EP, My Little Aurora, which was released on January 17, 2023, placing at number 18. Continuing their musical journey, the group launched their fourth EP, Us in the Summer, on August 29. This EP contained four tracks, with "Smooth Sailing" as the lead single, and it reached the 11th spot on the Korean Top 100 album charts.
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