Theatre Episodes Featuring Kasumi and Umi
- 27 Jul 2020: Kasumin’s Perfect Plan : Day 5
Idols: Kanan, Kasumi, Setsuna, Umi, Yoshiko
- 1 Dec 2020: The Strict Umi-chan
Idols: Kasumi, Umi
- 18 Aug 2021: Before It Melts!
Idols: Kasumi, Umi
- 12 Nov 2022: Bad Omen
Idols: Kasumi, Umi
- 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