Theatre Episodes Featuring Ruby and Kotori
- 17 May 2020: Online Costume Meeting
Idols: Kotori, Ruby
- 24 Oct 2021: I'll Pay Attention!
Idols: Kotori, Ruby
- 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