 In March 2012, Mun reunited with his Shinhwa bandmates for their comeback after four years, under the management of Shinhwa Company.The group released their tenth studio album "The Return" on March 23, 2012, launched the concerts "" throughout Asia and their first exclusive variety program "Shinhwa Broadcast" premiered on March 17, 2012, on cable channel JTBC.Mun's rap is featured on Brown Eyed Girls' Ga-in's digital single "Nostalgia", released on November 30, 2012.