E1 · Episode 1
Fifteen years after witnessing the kidnapping of a girl at school, Kento hears someone calling his name through a discarded two-way radio.
E2 · Episode 2
Kento determines that the true culprit is a nurse named Keiko Yoshimoto, but she refuses to crack under questioning from Misaki.
E3 · Episode 3
The two-way radio reconnects after the reinvestigation starts. Just as Kento had suspected, Ooyama had been part of the initial investigation in 1997.
E4 · Episode 4
1997. Ooyama learns from Kento that the next victim will be his friend Midori. In 2018, Kento holds his breath for a favorable outcome.
E5 · Episode 5
Kento learns that Ooyama went missing 18 years ago and was later dishonorably discharged. In 1998, Ooyama works on a certain serial larceny case.
E6 · Episode 6
E7 · Episode 7
E8 · Episode 8
E9 · Episode 9
E10 · Episode 10
