Ep. 5: Usami the Skull Man impostor targets the original while Kiriko finds a past acquaintance in Byakureikai.
Aired on May 27, 2007

5
Usami, who is impersonating the Skull Man, attempts to eliminate the genuine individual. At the same time, Kiriko identifies a person from her history among the members of the Byakureikai organization. This convergence of events places both the impostor and the original in danger while revealing hidden connections within the group. The narrative focuses on Usami's efforts to remove the true Skull Man and Kiriko's discovery of a familiar face within the ranks of Byakureikai, highlighting the intersecting paths of these characters.
Episodes
- Ep. 1 · Journalist Hayato Mikogami investigates Skull Man in his hometown
- Ep. 2 · Hayato released as suspect while investigating past arson link to Skull Man
- Ep. 3 · Yui faces blackmail after receiving a threat while Kiriko observes her and Sayoko at the theater.
- Ep. 4 · Hayato investigates the Phantom Monorail legend after discovering a body on a bridge
- Ep. 5 · Usami the Skull Man impostor targets the original while Kiriko finds a past acquaintance in Byakureikai.
- Ep. 6 · Hayato and Kiriko investigate the Byakureikai after the mayor's death
- Ep. 7 · Hayato and Kiriko expelled from Byakureikai while Jin poses as Skull Man
- Ep. 8 · Kiriko and Hayato investigate White Bell cult photos left by Jin
- Ep. 9 · Police patrols increase amid monster attacks while Nami suffers nightmares and Shinjou anticipates a date.