Theatre Episodes Featuring Dia and Kotori
- 22 Aug 2020: On an Elegant Afternoon
Idols: Dia, Kotori
- 28 Apr 2022: For Everyone
Idols: Dia, Kotori
- 25 Jun 2023: Until the Last Minute!
Idols: Dia, Honoka, Kanan, Kasumi, Kotori, Mari, Rina, Shioriko, Shizuku, Umi
- 30 Jun 2023: Off We Go!
Idols: Ai, Ayumu, Chika, Dia, Eli, Emma, Hanamaru, Hanayo, Honoka, Kanan, Kanata, Karin, Kasumi, Kotori, Lanzhu, Maki, Mari, Mia, Nico, Nozomi, Riko, Rina, Rin, Ruby, Setsuna, Shioriko, Shizuku, Umi, Yoshiko, You