Monni is a South Korean rock band signed to Modern Boy Entertainment. The quintet consists of Kim Sin-eui, Gong Tae-woo, Lee In-kyoung, and Jung Hoon-tae. The band formed in 2004 and they released their debut studio album First Day, Light the following year with their original drummer Song Ju-hwan. Following his departure from the band, Jung was recruited to take his place. The band released its second studio album This Moment in 2010. In celebration of their 10-year anniversary, they released a compilation entitled Monni 10th Anniversary Best Album 'Fix'.