Theatre Episodes Featuring Dia and Setsuna
- 27 Feb 2020: Setsuna's Regulars
Idols: Dia, Setsuna
- 3 Nov 2021: The Person I Respect
Idols: Dia, Setsuna
- 22 Jan 2023: Encountering Something Wonderful
Idols: Dia, Setsuna
- 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