 In August, after the successful run of "Super Rookie", especially in Japan, Mun collaborated again with its writers in "Invincible Parachute Agent" (also known as "Korea Secret Agency").Shinhwa's 10th Anniversary concert in March 2008 marked the start of Shinhwa's hiatus as a group to fulfill mandatory military service.Before his army enlistment, Mun appeared in a period drama for the first time in his acting career with "Strongest Chil Woo".