22/7 Concert & Tour History | Concert Archives

22/7 Concert History

22/7 (read as Nanabun no Nijūni (ナナブンノニジュウニ Twenty Two Per Seven)) is a Japanese idol project between Yasushi Akimoto, Aniplex, and Sony Music Records. The project is described as "Idols Who Transcend Dimensions". The name was chosen because it is an approximation of pi, an irrational number that can not be expressed in integer division.

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Date	Concert	Venue	Location
Sep 23, 2025	22/7 STARRZ TOKYO	Nihon Kougakuin Arena	Tokyo, Tokyo, Japan
Aug 06, 2024	22/7 Odaiba Bouken-ou	Odaiba Aomi Yagai Tokusetsu Kaijou	Tokyo, Tokyo, Japan
Aug 27, 2023	22/7 @JAM EXPO	Yokohama Arena	Yokohama, Kanagawa Prefecture, Japan
Aug 21, 2022	22/7 SUMMER SONIC 2022 Tokyo	Makuhari Messe Kokusai Tenjijou Hall 8	Chiba, Chiba, Japan
Nov 09, 2019	22/7 Setlists	New China International Exhibition Center	Shunyi, China
Sep 20, 2019	22/7 Setlists	Mynavi BLITZ Akasaka	Tokyo, Tokyo, Japan