Hey! Say! JUMP is a nine-member Japanese
idol group under the Japanese talent agency
Johnny & Associates. The name
Hey! Say! refers to the fact that all the members were born in the
Heisei period and JUMP is an acronym for
Johnny's
Ultra
Music
Power. Like agency
seniors Hikaru Genji and
V6, the group is split into two subgroups: Hey! Say! BEST (
Boys
Excellent
Select
Team) and Hey! Say! 7 (not to be confused with the temporary group of the same name), which consist of the five oldest members and four youngest members respectively.