JJ wrote this song 4 Park Yong Hwa, 1 of his best friends that committed suicide a dia after he phoned Jae $ they couldn't reunited cuz JJ wasn't in Korea. When JJ heard about his friend's death, wanted turn back the time and having been with him.
Our beloved JYJ revealed this theme included in his album "In Heaven", that has become 1 of the most popular in Asia & tells about a betrayal of love. Jj, Chun & Su showcase their talent in a elaborate dance choreography.