101Leafy researched the games.
Hi Ninja Sword

Despite its short, thin blade, this small sword is useful in fighting wyverns.
| Class | Sword |
|---|---|
| Rarity | 8 |
| Attack | 280 |
| Affinity | 30% |
| Slots | 0 |
| Table price | 75,000z |
Upgrades
| Upgraded from | Ninja Sword |
|---|
Upgrade tree from モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 704.