The autobiographical hunting manga by Kentarou Okamoto, titled Sanzoku Diary: Real Ryoushi Funtouki (Mountain Thief Diary: The Diary of Real Hunter's Battle), will receive an OVA adaptation. The disc will be bundled with volume 6 of the manga, releasing June 23. It will be between 10 to 15 minutes long and will adapt the events of the first volume.

Sanzoku Diary began publishing in seinen magazine Evening on February 22, 2011.

Synopsis
The hero and author of Sanzoku Diary is Okamoto Kentarou. When he was young, he lived out in the country, and he knew an old man who was a hunter. In 2009, Kentarou was inspired to leave Tokyo and return to Okayama Prefecture to become a hunter himself. Using an air rifle and traps, Kentarou hunts, prepares, and eats various animals. The manga covers all his hunting-related activities in close detail. (Source: MangaHelpers)

Studio: DLE

Cast (roles not yet given)
Taishi Murata, Yuuma Uchida, Yuto Suzuki, and Frogman

Source: E-hon

Sanzoku Diary on MAL