Theatre Episodes Featuring Kasumi and Nico
- 3 Mar 2020: Tasty Hinamatsuri
Idols: Kasumi, Nico
- 26 Jul 2020: Kasumin’s Perfect Plan : Day 4
Idols: Chika, Kasumi, Maki, Nico, Riko
- 22 Jul 2021: Happy Birthday, Nico-chan!
Idols: Kasumi, Nico
- 3 Mar 2023: Happy Hinamatsuri
Idols: Kasumi, Nico
- 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