Shogo Higuchi is a detective whose wife was murdered by a serial killer. Hikari Tachibana is a voice profiler whose father was murdered. She has a special hearing ability which allows her to hear minutiae sounds that other people do not.
Shogo Higuchi
Hikari Tachibana
Toru Ishikawa
Takumi Ogata
Kyosuke Kuon
Yuji Shigefuji
Saki Yamashiro
Daisuke Adachi
Chisato Komatsu
Michitaka Shigefuji
Yuto Katagiri
Norichika Onoda
Yukiko Kawamura
