A boy's father has gone missing... but the only proof of it is that he failed to send his son a postcard. The chemical corporation he works for claims that he's on a business trip in Hokkaido... but something still seems wrong. A deadly conspiracy lurks beneath the surface... and the truth will challenge Winspector in ways they've never before seen!
| Name | Type | Role | |
|---|---|---|---|
| Kyōko Sagiyama | Writer | ||
| Takeshi Ogasawara | Director |