Theatre Episodes Featuring Umi and Ayumu
- 21 Aug 2020: You Understand, but Not Really
Idols: Ayumu, Umi
- 15 Mar 2022: Happy Birthday, Umi-chan!
Idols: Ayumu, Umi
- 10 Jul 2022: Recalling Memories
Idols: Ayumu, 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