There is no formal series or established media franchise titled in mainstream anime, gaming, or academic literature.
It seems you're asking about a for the topic: "ENG Academy Special Police Unit SIGNIT VER" eng academy special police unit signit ver
If this refers to a specific piece of media or a hobbyist product: There is no formal series or established media
The or manufacturer (e.g., Good Smile Company, Kotobukiya)? Good Smile Company
Let me break down the possible intended components: