Hwasa (Korean: 화사) is the rapper and vocalist of K-Pop girl group MAMAMOO, and a former member of the project group Refund Sisters. She started her solo career on February 13, 2019 with the single Twit, making her the third MAMAMOO member to debut as a soloist.
Hwasa and rapper Beenzino are featured on the title track of DPR LIVE's extended play IITE COOL, titled Hula Hoops. The song was released on July 23 at 6 PM KST.
Hwasa collaborated with KINDA BLUE for their debut single "I can't make you love me", which was released on August 3 at 6 PM KST.
On November 10 at 12 AM KST, a trailer was released for Hwasa's upcoming comeback. A single album titled Guilty Pleasure was released on November 24 at 6 PM KST; its title track is named I'm a B (I'm a 빛). According to Hwasa, her next album is the continuation of a song from Guilty Pleasure called "FOMO".