Team Syachihoko was formed in 2011 by
3B Junior, the third section of
Stardust Promotion. and was supported by a concert tour across the city of Nagoya. On September 2, at the first concert of the tour, the group appeared in stage costumes looking like
bowling uniforms and unveiled the title song of the upcoming single, titled "
The Stardust Bowling". The Japanese edition of
Rolling Stone called the song "cute and humorous", with a "dramatic melody", "brilliantly following the style of
Momoiro Clover and
Shiritsu Ebisu Chugaku". The single reached 17th place in the weekly
Oricon charts. During the Nagoya tour, which took place from September 2 to November 4, the girls faced various challenges presented by the band's manager, such as "Yuzu and Yuzuki don't eat sweets in the dressing room while on tour", "1000 sumultaneous viewers on the
Ustream broadcast", etc. Each won challenge equalled one "crown" (point). The group had to collect 10 crowns to be granted a first solo concert and a nationwide major-label debut. The band won 13 crowns and received the right to hold a solo concert on December 30 at Nagoya's Club Quattro, but the release of the promised single was delayed for three months with the reason stated by Team Syachihoko's manager Hasegawa to be that the 13 crowns were more than the target number of 10. All the 500 tickets for the concert were sold out. The performance was released as the group's first live DVD on April 24, 2013. On December 24, 2012, and on April 7, 2013, Team Syachihoko released two limitedly distributed singles, sold at the band's live events. By February 13, it had been sold out. The follow-up, called "Otome Juken Sensō: Another War", was printed in 8,888 copies. The group released its next single on June 19, 2013. It was titled "
Shuto Iten Keikaku" ("Plan for the Relocation of the Capital") and was marketed as their . On October 30, 2013, the group's fifth single "
Ai no Chikyūsai" ("Charity Earth Festival") was released. On November 18, 2015, it was announced that Yuzu Ando would go on temporary hiatus due to being diagnosed with
vertigo. By February 10, 2016, the status of Ando's hiatus changed from temporary to indefinite due to her ongoing health issues. On September 29, 2016, Yuzu Ando graduated from the group and Team Syachihoko continued activities as a five-person idol group. On August 3, 2018, Team Syachihoko announced on
LINE LIVE that Chiyuri Itō would perform her final live concert with the group on October 22 and graduate. On October 22, 2018, the group announced its renaming to Team Shachi (stylized as TEAM SHACHI) effective 23 October. On February 28, 2025, Team Shachi made an announcement that they would disband at the end 2025 after 14 years of activity. Two final concerts for the group are scheduled to take place: one in Tokyo on September 21 and one in Nagoya on December 13. == Members ==