Negotiator Ryuji intervenes in cases where the law cannot be involved. He is supported by four skilled Teito Research employees.
| Actor | Role |
|---|---|
 Riki TakeuchiRyuji Sasaki | Ryuji Sasaki |
 Hitoshi OzawaNot listed | Not listed |
 Kazuyoshi OzawaNot listed | Not listed |
| RRyoko MorishitaNot listed | Not listed |
 Yuto NakanoNot listed | Not listed |
 Rie FukamiNot listed | Not listed |
 Donpei TsuchihiraNot listed | Not listed |
 Jiro OkazakiNot listed | Not listed |