MyB (Hangul: 마이비) was a South Korean girl group formed by Maroo Entertainment. The group debuted on August 25, 2015 with My Oh My and made a comeback on November 13, 2015 with Ddoddo, before the group officially disbanded on December 16, 2016, where Moonhee and Hayoon would re-debuted with Maroo Entertainment new girl group, BONUSBaby in January 2017.