It was released on September 21, 2006, and was written and produced by Park Jin-young with additional writing credits by Tablo.
[2] Rain promoted "I'm Coming" on several South Korean music programs including Show!
[3] It was added to the set list of his Rain's Coming World Tour, which began at the Olympic Gymnastics Arena in Seoul, South Korea in December.
[4][5] Following the conclusion of the song's promotions, Rain donated his stage costumes to a charity auction event to help the elderly in need.
Within a day of the auction's start, the bidding price of the military-style jacket Rain worn during the song's promotions was reported to have surpassed ₩452,000 (around $450).