C43 Wind Escape Spiral Shuriken.

In the end, Jiraiya could only explain that Yue Qianyu had probably obtained the cultivation method from Konoha Village.

The Spiral Shuriken came from the Fourth Generation. The Fourth Generation was a Fire Shadow, so of course he would share this technique with the village.

Therefore, it was not impossible to learn the Spiral Shuriken in the Konoha Village.

However