Hey! Say! JUMP (HSJ or JUMP) is a nine-member Japanese boy band under the Japanese talent agency Johnny & Associates.
The group is split into two sub-groups: Hey! Say! BEST and Hey! Say! 7.
The group has music sales exceeding 2,386,402 copies in Japan.Hey! Say! JUMP originally debuted with ten members, the largest group in Johnny's history.
In 2011, Ryutaro Morimoto was indefinitely suspended from the group following an underage smoking scandal.