Theatre Episodes Featuring Rina and Chika
- 15 May 2020: People Crossing!
Idols: Chika, Rina
- 13 Nov 2021: Happy Birthday, Rina-chan!
Idols: Chika, Rina
- 11 Dec 2021: My Companion!
Idols: Chika, Rina, Shizuku
- 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