Sports Music Assemble People, abbreviated as SMAP, was formed in 1988 by a group of backup dancers for the boy band Hikaru Genji of Johnny & Associates.
[1] The band's initial releases performed poorly on the charts, but the following ones started gaining attention, aided by the group's appearance on their own variety show, SMAP×SMAP.
Meanwhile Kimi Iro Omoi single was used in anime Akazukin Chacha broadcast in Japan only.
In worldwide broadcast, Kimi Iro Omoi single was replaced by Shoko Sawada.
[2] Since 2003, all of the band's releases have peaked at number one on the Oricon Albums or Singles Chart.