The story focuses on high school girl Nagisa Yukiai who lives in a seaside town. She has believed her grandmother's story that spirits dwell in words and they are called "kotodama" (word spirit). One day, she strays into a mini FM station that has not been used for years. As an impulse of the moment, she tries to talk like a DJ using the facility. But her voice accidentally broadcasted reaches someone she has never expected.
片平美那
as Nagisa Yukiai (voice)
鈴木陽斗実
as Otoha Biwakōji (voice)
岩淵桃音
as Shizuku Dobashi (voice)
飯野美紗子
as Yū Hamasuka (voice)
神戸光歩
as Ayame Nakahara (voice)
田中有紀
as Kaede Tatsunokuchi (voice)
三森すずこ
as Shion Yazawa (voice) / Akane Yazawa (voice)
鈴木達央
as Masaki Kawabukuro (voice)
梶裕貴
as Daigo Koyurugi (voice)
野沢雅子
as Nagisa's grandmother (voice)
