MCND (엠시엔디) MCND is a 5 member boy group under TOP media. The group consists of: Castle J, BI.C, Min-jae, Hui-jun, & Win. MCND stands for ‘Music Creates New Dream.’ Their pre-debut single “TOP GANG” was released on January 2, 2020 and debuted with “ICEAGE" on February 27, 2020.