Kentaro Sakaguchi
Kento Saegusa
Two detectives communicate through a walkie-talkie to solve cold cases. One detective exists in the present day and the other detective exists 15 years in the past.
Signal (JP)
Kento Saegusa
Takeshi Ooyama
Misaki Sakurai
Tsutomu Yamada
Shinya Kojima
Rika Anzai
Ryota Kato
Shinnosuke Nakamoto
Kazuo Iwata
