"Hug" (Korean: 포옹) is the debut single by South Korean pop group TVXQ. Written by Yoon Jung and Park Chang-hyun and produced by Park Chang-hyun under the supervision of Lee Soo-man of S.M. Entertainment, "Hug" was first performed at a joint showcase featuring label mate BoA and American singer Britney Spears on December 26, 2003, TVXQ's official debut day. The song was later released as a CD maxi single on January 14, 2004, in South Korea. Its accompanying music video was filmed in December 2003 at the Ilsan Art House. The follow-up promotional song, "My Little Princess", was written by Hwang Sung-jae.