Both cast members will play members of a rival koto club at the traditional Japanese music festival.
The official website for the television anime of Amyū’s Kono Oto Tomare! (Stop This Sound!) manga announced two more cast members for the series on Friday.
Funimation is streaming the series as it airs under the title Kono Oto Tomare!: Sounds of Life, and it premiered an English dub on April 27.
In the story, Takezō is the last remaining member of the koto club, a club dedicated to the traditional Japanese string instrument.