, often abbreviated as , is a Japanese girl group signed to Avex Trax and managed by Ligareaz Management. Formed and produced by record producer Yasushi Akimoto, they are officially labelled as an "official rival" of girl group Nogizaka46, whose also produced by Akimoto. The group was announced on June 15, 2023, and debuted on August 30 with the single "Aozora ni Tsuite Kangaeru".
On February 1, 2023, Ligareaz Management announced a formation of the "official rival" of girl group Nogizaka46, as the first part of the company's Ganbare! Nippon no Idol project, aiming to boost Japanese idol culture. An audition began in the same month, and the final audition took place on April 22. On June 15, Ligareaz held a press conference in Tokyo to reveal the group's name "Boku ga Mitakatta Aozora", and introduce 23 selected members out of 35,678 applicants. On the same day, the group announced the debut single "Aozora ni Tsuite Kangaeru" to be released on August 30. Toa Yagi served as the choreographic center.
On October 18, the group's late night variety show Sakamichi no Mukà  ni wa Aozora ga Hirogatte Ita was first aired. They held their first concert Boku ga Mitakatta One Man Live Vol. 0 at New Pier Hall, Tokyo on December 19. The group received New Artist Award and was nominated for Best New Artist Award at the 65th Japan Record Awards. On January 31, 2024, Boku ga Mitakatta Aozora released their second single "Sotsugyà  made". It was the first single to use senbatsu system, which chose 12 members to participate the A-side, called "Aozora Gumi"; non-chosen members were called "Kumo Gumi". The single topped the Billboard Japan Top Singles Sales, and reached number two on the Oricon Singles Chart. Three singles were released afterwards: "Spare no Nai Koi" in August 2024, "Suki Sugite Up and Down" in November 2024, and "Koi wa Baisoku" in March 2025.
In August 2023, Boku ga Mitakatta Aozora was selected as image character for the rental property vacancy information services company Chintai.
Tours
One-off