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Private company

J-Star

Group of Taiwanese artistes

J-Star, short for Jungiery Star, is associated with Jungiery, a Taiwanese artiste management company. The members of J-Star include 5566, 183 Club, 7 Flowers, Typhoon, Taiji, LALA, VJ, and Cyndi Wang. R&B and K-One were also part of J-Star.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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J-Star, short for Jungiery Star, is associated with Jungiery, a Taiwanese artiste management company. The members of J-Star include 5566, 183 Club, 7 Flowers, Typhoon, Taiji, LALA, VJ, and Cyndi Wang. R&B and K-One were also part of J-Star. Some original R&B members left Jungiery, and the remaining members were regrouped with other Jungiery trainees to form the bubblegum-pop group LALA. K-One has since returned to Wingman Entertainment.2

Corporate structure

J-Star sits at the top of its group. 1 entity on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of J-Star

  • Rokurou Gregory Hara Owns 25% to 50% of J-Star, since 02/2006 (Form ADV)
  • Kenichi Harada Owns 25% to 50% of J-Star, since 02/2006 (Form ADV)
  • Hideaki Sakurai Owns 10% to 25% of J-Star, since 10/2006 (Form ADV)
  • Tastuya Yumoto Owns 10% to 25% of J-Star, since 02/2006 (Form ADV)
  • J-Star

Built from major holders from Schedules 13D and 13G; owners and owned firms from Form ADV, the registration investment advisers file with the SEC. Each entity in the chart links to its source.

Investment adviser

J-Star is registered with the SEC as an investment adviser. This is what it reports on Form ADV, the registration every adviser files and keeps current.

Who owns it

Owners of 5% or more as the firm lists them (Schedule A), and the owners of those owners up the chain (Schedule B).

  • Rokurou Gregory Haraowns 25% to 50%, since 02/2006
  • Kenichi Haradaowns 25% to 50%, since 02/2006
  • Hideaki Sakuraiowns 10% to 25%, since 10/2006
  • Tastuya Yumotoowns 10% to 25%, since 02/2006

The story

The main manager, Sun De Rong (also known as Sun Zhong), first created the group 5566 on 21 January 2002. Other notable individuals managed by Sun De Rong include Ming Dao, Qiao En, Cyndi Wang, and Hong Qiao. Nearly two years later, R&B was formed but disbanded in 2006. Following these successes, Jungiery continued to create more groups, such as 7 Flowers and 183 Club. Individuals were also organized into various groups. Sun Zhong managed K-One, and Toro joined Jungiery and became part of the group Typhoon after leaving Energy.

In 2007, the company faced some setbacks.

From Wikipedia’s article on J-Star, shared under CC BY-SA 4.0.3

Sources

The numbers on this page point here. Each one links to the record it came from.

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