
The protagonist boards the ultra-luxurious sleeper express train "Magic Arrow" running through a certain country in Eastern Europe at the beginning of the 20th century. However, they get involved in a major accident on the train and are presumed dead. Yet, they somehow leap through time and space, returning to the past, several hours before the accident occurred. Realizing that the future accident was orchestrated by someone, the protagonist teams up with a girl possessing magical abilities to manipulate time and space. Together, they embark on a journey to uncover the culprit, prevent the accident, and seize hold of a future that is yet to unfold.
D ~Sono Keshiki no Mukougawa~ is a Japanese visual novel of 287,257 characters, with 11,233 unique words and 2,193 different kanji. Its difficulty rating on Jiten is hard, 3.1 out of 5. The full vocabulary list ranks all 11,233 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.