Additionally, the group hosts multiple variety shows, radio programs, and television dramas.

On February 22, 2015, during the Nogizaka46 3rd Year Birthday Live at Seibu Dome, Nogizaka46 announced plans to recruit the first generation members for their new project.

[8] The final stage of the audition took place on August 21, the same day Nogizaka46 was created four years earlier, and 22 were selected out of 22,509 candidates.

[10][11] Similar to Nogizaka46, Keyakizaka46 began airing a television show on October 4 titled Keyakitte, Kakenai?

[21][22] The expanded subunit debuted with "Hiragana Keyaki" as part of Keyakizaka46's second single, Sekai ni wa Ai Shika Nai.

Additionally, Mizuho Habu became the first member to make a runway debut, appearing in GirlsAward 2016 Spring/Summer.

[28] In January 2017, Yūka Sugai and Akane Moriya were pointed as captain and vice-captain of the group, respectively.

[32] In November 2018, Yui Imaizumi became the first member to leave the group, intending to pursue other forms of entertainment.

Shortly afterwards, Hiragana Keyakizaka46 formed an independent group known as Hinatazaka46,[37] and released their debut single, "Kyun", on March 27, 2019.

[38] During this time, Keyakizaka46 still held multiple concerts, including their largest one September 18–19, 2019 at Tokyo Dome, attracting roughly 50,000 fans per day.

During the concert, the group unveiled their last single "Dare ga Sono Kane o Narasu no ka?

Additionally, captain Sugai announced that Keyakizaka46 was ending its five year journey and its members were starting over under a new name, with a final concert planned in October.

[53][54] On January 4, 2021, Rina Matsuda replaced Moriya as vice-captain of the group; Sugai remained as captain.

[57] In June, the group held a three day concert called Backs Live, in which non-Sakura Eight members performed without the Sakura Eight, taking their positions.

[58] In July, Sakurazaka46 held their first joint concert with Hinatazaka46 (since Hinatazaka46's rename), W-Keyaki Fes 2021 at Fuji Q Highland.

[60] On November 9, 2022, Sugai left the group after their first Tokyo Dome concert as Sakurazaka46 and Matsuda succeeded her as captain.