"One Day" is a song by the South Korean boy groups 2AM and 2PM, Oneday. It was released on July 4, 2012 as 2AM's third Japanese single[1] and 2PM's fifth Japanese single.[2] The song is the main theme song for the documentary movie "Beyond the Oneday ~Story of 2PM & 2AM~", which was broadcast in Japan starting on June 30.[3][4]
Type B is the CD single with a front cover artwork of 2PM's member Jun.K,[6]
Type C is the CD single with a front cover artwork of 2PM's member Nichkhun,[7]
Type D is the CD single with a front cover artwork of 2PM's member Taecyeon,[8]
Type E is the CD single with a front cover artwork of 2PM's member Wooyoung,[9]
Type F is the CD single with a front cover artwork of 2PM's member Junho,[10]
Type G is the CD single with a front cover artwork of 2PM's member Chansung,[11]
Type H is the CD single with a front cover artwork of 2AM's member Changmin,[12]
Type I is the CD single with a front cover artwork of 2AM's member Seulong,[13]
Type J is the CD single with a front cover artwork of 2AM's member Jo Kwon,[14]
Type K is the CD single with a front cover artwork of 2AM's member Jinwoon,[15]
Regular edition is the CD single with a bonus track.[16]
Composition
"One Day" is an original Japanese song, composed by Yu Shimoji, Faya, Super Changddai and Michael Yano. The B-side "No Goodbyes" is an original Japanese song, written and composed by 2PM's MinJun and Emyli. "Angel", CD Only bonus track, is originally a Korean song from 2PM's debut single Hottest Time of the Day.