That same year, she was cast in Koinu Dan no Monogatari, however she did not have a large part due to her age.

The group was made up of Miki Fujimoto from Morning Musume, Megumi Murakami from Cute and Miyabi.

[1] Earlier, in 2003, she was chosen to join the group Aa!, which consisted of fellow Hello!

[3] During these concerts, Tanaka was replaced by Saho Akari, since Reina had joined the unit High King.

alongside Berryz Kobo group-mate Momoko Tsugunaga and Airi Suzuki from Cute.

The unit was officially announced at the Nakayoshi magazine Festival 2007 on July 21, 2007, at Tokyo's Sunshine City in Ikebukuro.

[5] They sang both the opening ("Kokoro no Tamago") and ending ("Honto no Jibun") themes for the anime adaptation of the Shugo Chara!

and Guardians 4, two other groups formed for the sake of performing Shugo Chara!

[6][7] After Berryz Kobo went on indefinite hiatus, Miyabi took a one-month break and then joined the YouTube show "Green Room" with fellow former Berryz Kobo member Chinami Tokunaga, which was uploaded weekly and centered around the behind the scenes aspects of Up Front Group members.

[8] In August 2015, Miyabi announced she was creating a new girl group and held auditions on July 1, 2015.