Deciding Our Favorite Sister

 is the ninth episode of the Nijiyon Animation anime series. It aired on March 3, 2023.

Cast

 * Hinaki Yano as Yu Takasaki
 * Aguri Onishi as Ayumu Uehara
 * Mayu Sagara as Kasumi Nakasu
 * Kaori Maeda as Shizuku Osaka
 * Miyu Kubota as Karin Asaka
 * Natsumi Murakami as Ai Miyashita
 * Akari Kito as Kanata Konoe
 * Tomori Kusunoki as Setsuna Yuki
 * Maria Sashide as Emma Verde
 * Chiemi Tanaka as Rina Tennoji
 * Moeka Koizumi as Shioriko Mifune
 * Shu Uchida as Mia Taylor
 * Akina Homoto as Lanzhu Zhong