MARMELLO (마르멜로) is a 4-member South Korean girl band under Rolling CultureOne. The band is composed of 5 members: Youna, Doeun, Gaeun, Daeun, and Hyeona. MARMELLO officially debuted on May 24, 2017. Before debut, they have been doing several gigs and concerts. All of the members have been friends since high school.
On August 3, 2019, Marmello announced their official disbandment.