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.