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.
as Nagisa Yukiai (voice)
as Otoha Biwakōji (voice)
as Shizuku Dobashi (voice)
as Yū Hamasuka (voice)
as Ayame Nakahara (voice)
as Kaede Tatsunokuchi (voice)
as Shion Yazawa (voice) / Akane Yazawa (voice)
as Masaki Kawabukuro (voice)
as Daigo Koyurugi (voice)
as Nagisa's grandmother (voice)