Boy group M.FECT made a comeback on the 5th of January, almost one and a half years after their last release 'Rumble'. 'Designer' is a dance song, based on a futuristic synth line, a rhytmic drum and a pop melody line.

M.FECT debuted in 2015 under Midas Entertainment and consists of the five members M.GUN (Lee Min Gun), Low (Moon Hee Jae), Zamong (Son Yosep), Boho (Lee Jong Geol) and Jeil.