Inuzuka (Hirotaro Honda), who asked about Mamiko (Rei Dan)'s disappeared father, Shinkichi (Ren Osugi), and her lover, Keiichi (Tetta Sugimoto), was murdered. A "letter" from her disappeared father holds the key.
| Actor | Role |
|---|---|
 Rei DanNot listed | Not listed |
 Ren OsugiNot listed | Not listed |
 Takehiro MurataNot listed | Not listed |
 Hirotaro HondaNot listed | Not listed |
 Keiko TakeshitaNot listed | Not listed |
 Tetta SugimotoNot listed | Not listed |