3rd Line Butterfly is a South Korean rock band. The band currently consists of Nam Sang Ah, Kim Namyoon and Seo Hyeonjeong. Since their formation in 1999, the band has released 5 studio albums: Self-Titled Obsession, Oh! Silence, Time Table, Dreamtalk and Divided by Zero. Their album Dreamtalk won Album of the Year at the 2013 Korean Music Awards. They are currently on hiatus after their concert in February 2019.