The Japanese first edition came in a big box, with the disc, manual, back insert, and an obi placed in a jewelcase. A survey/ registration card was also included.
The disc case was also included with various PC 3DEngine bundles by NEC.
1. Front of box
2. Back of box
3. Manual
4. Back
5. Disc
Thanks to OGDB (images 1-2) and Nakian (images 3-5).