Naruto: Mission: Protect The Waterfall Village! (novel)

is a fourteen chapter light novel adaption written by Masatoshi Kusakabe. It is also an OVA anime adaption of Mission: Protect the Waterfall Village!.

Blurb
"Naruto and the gang return home after a stint protecting Shibuki, the leader of Takigakure. But there's danger back in Konoha. Sasuke and Sakura are quickly captured and the tow-headed ninja-wannabe finds himself in a desperate situation. Turning to Shibuki for help, Naruto discovers the revered leader is actually a coward and false hero. Alone, Naruto must protect his home, his friends and the Takigakure's Hero Water."