
Momojiro and Jonathan go to Kochi on a ferry. On the ferry a singer called Yuka dropped her sheet music into the ocean. Momojiro helps her by diving in to collect the sheets for her and ends up falling in love.
Truck Yarou: Furusato Tokkyuubin is a Japanese movie of 13,719 characters, with 1,548 unique words and 671 different kanji. Its difficulty rating on Jiten is hard, 3.0 out of 5. The full vocabulary list ranks all 1,548 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.