
In the mountainous region of Koshu, Taikahara, there was an intense power struggle between the prominent families, Tamaki and Kakukura. Facing the steward of Kakukura, Kurokawa Senjiro, was Tamaki Daisaburo, who was skilled with a handgun. Daisaburo had granted protection to the charcoal maker, Miyoshi, safeguarding a few mountains passed down from their ancestors. Daisaburo's elder brother, Iori, who had completed his training in Edo, saved Kakukura's only daughter, Koyumi, on his way back home. However, while Daisaburo rushed to Iori's aid after Koyumi was attacked by Kurokawa and his men, their family home was set ablaze.
Yama o Mamoru Kyodai is a Japanese movie of 15,588 characters, with 1,564 unique words and 610 different kanji. Its difficulty rating on Jiten is hard, 3.8 out of 5. The full vocabulary list ranks all 1,564 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.