Sources:
- https://psxdatacenter.com/games/J/D/SCPS-10092.html ([web.archive.org](https://web.archive.org/web/20260119081509/https://psxdatacenter.com/games/J/D/SCPS-10092.html))
- https://archive.org/details/doko-demo-issyo-manual_202301