Kota Yabu

Quick Facts: Who was Kota Yabu?

Subject:

Kota Yabu

Known for:

A highly successful Japanese boy band known for its longevity and diverse media presence.

Verified Source:

2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

JUMP (HSJ or JUMP) is a seven-member Japanese boy band under the Japanese talent agency Starto Entertainment (formerly from Johnny & Associates). The group is split into two sub-groups: Hey! In Japan they sold more than 10 million physical copies. 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.

Career & Major Achievements

On April 11, 2021, Keito Okamoto announced that he would be leaving the group in order to pursue an acting career but would be remaining under Johnny & Associates. On August 28, 2025 Yuto Nakajima announced he would graduate from the group. During KAT-TUN's spring concert on April 3, 2007, Yuya Takaki, Daiki Arioka, Ryosuke Yamada, Yuto Nakajima and Yuri Chinen were announced as a temporary group called Hey! The name refers to the Heisei period during which all members were born, as well as to the year 2007 as the group's formation year. The special unit was formed to sing the opening and closing songs of the TBS anime Lovely Complex.

Enduring Legacy & Impact

On June 16, 2007, it was announced that Hey! Say!" and "Bon Bon", as a single on August 1. The single sold 120,520 copies in its first week, making the group the youngest male group to top the Oricon singles chart. On September 24, the five members of Hey! 7 were joined by Kota Yabu, Kei Inoo, Hikaru Yaotome, Keito Okamoto and Ryutaro Morimoto, all represented by Johnny's Jr's.

Chronological Milestones & Life Events

1. 2007: 2007 Milestone — During KAT-TUN's spring concert on April 3, 2007, Yuya Takaki, Daiki Arioka, Ryosuke Yamada, Yuto Nakajima and Yuri Chinen were announced as a temporary group called Hey!
2. 2011: 2011 Milestone — In 2011, Ryutaro Morimoto was indefinitely suspended from the group following an underage smoking scandal.
3. 2021: 2021 Milestone — On April 11, 2021, Keito Okamoto announced that he would be leaving the group in order to pursue an acting career but would be remaining under Johnny & Associates.
4. 2025: 2025 Milestone — On August 28, 2025 Yuto Nakajima announced he would graduate from the group.

Historical Fact-Check Quiz: Kota Yabu

True or False: “Hey! Say! JUMP was formed with exactly ten members from the very beginning of their career in 2007.”

Answer (FALSE ❌): The initial announcement involved five members forming Hey! Say! 7, and the remaining five joined later to form the full ten-member group.

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Frequently Asked Questions about Kota Yabu