If there is a playable character, then there should be other character who either help or go against the playable character: NPCs.

This is a writing sample of NPCs bio. 

The NPCs bio includes the following:

- Name
- Age
- Sex/Gender
- Want
- Need
- Ethics
- Motivation
- History
- Affiliation
- Relationship with Others
- Appearance

The document also includes the relationship between the player and the among other NPCs since NPCs' relationship is intertwined.