Tracklist
| 1 | Wonderful World |
| 2 | Tightrope |
Companies, etc.
- Record Company – Ki/oon Records
Notes
Double A Side SingleNot For Sale / Promotion Only
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| KSC2-400 | TETSU69* | Wonderful World / Tightrope (CD, Single) | Sprouse | KSC2-400 | Japan | 2001 |
