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From the 7th single onwards, BACKS Members (BACKSメンバー) refer to the non-senbatsu members of Sakurazaka46.

Originally, BACKS Members were the third-row members of Sakurazaka46's title and primary coupling tracks, or the non-Sakura Eight members, for their 1st to 5th singles. During this period, unlike the Undergirls system for ALL48 Groups and Nogizaka46, some BACKS members did participate in the title tracks for each single. The BACKS members for each single were paired with one of the centers from Sakura Eight, and positioned in the third row for the corresponding songs with their matched center.

However, starting with the 7th single, the new senbatsu system was introduced for the first time, dividing the group into "Senbatsu Members," who sang the title song, and "BACKS Members," who did not.

The term "BACKS Members" was first coined for BACKS LIVE!!, a concert featuring only the third-row members. The first Sakurazaka46 song with BACKS-only members was Sonia, a coupling track for the 3rd Single Nagaredama.

BACKS Members received their first music video for Abura wo Sase!, a coupling track for the 8th single Ikutsu no Koro ni Modoritai no ka?.

BACKS Members[]

Nobody's fault[]



Samidare yo[]



Ikutsu no Koro ni Modoritai no ka?[]



# Single Song Center
01 Nagaredama Sonia Koike Minami
02 Samidare yo I'm in Habu Mizuho
03 Sakurazuki Munen Matsuda Rina
04 Shoninyokkyu Kakushinteki Croissant Inoue Rina
05 Ikutsu no Koro ni Modoritai no ka? Abura wo Sase! Takemoto Yui