Funimation began streaming a new trailer for it and J.C. Staff‘s original anime film coproduction Sing a Bit of Harmony (Ai no Utagoe o Kikasete, literally “Let Me Hear You Sing of Love”) on Tuesday. The trailer reveals more cast members for the film, and also reveals the film’s October 29 opening date in Japan.
An all-new trailer and key visual just dropped for Sing a Bit of Harmony, and Shion’s an AI?! 😱
Find out more: https://t.co/8xXGFBCP0l pic.twitter.com/hFQztxLltW
— Funimation (@Funimation) July 14, 2021

The new cast members include (Note: Character name romanizations are not official) Kenjiro Tsuda as Saijō (both left column in image below), a branch manager of Seikan Electronics; Sayaka Ohara as Satomi’s mother Mitsuko; and Kenji Hamada as Nomiyama, a researcher in Seikan…