The first in Norio Nanjo's "Secret" series. The phantom Sanzo (Hiroki Matsukata) and Yume no Gosuke (Ashiya Gannosuke) are ordered to infiltrated the Echigo Nagaoka Domain.
| Directing | Ryuichi Takamori | Director |
| Writing | Tatsuhiko Kamoi | Writer |
| Sound | Shunsuke Kikuchi | Music |