
Haruka na Sora is Yosuga no Sora's fandisc. The fandisc features bonus scenarios and visual novel versions of web radio episodes. The bonus scenarios include routes for Kozue and Yahiro (who did not have routes in the original game), as well as an epilogue for Sora's main game route. Additionally, it includes a bonus scenario featuring the characters doing karaoke.
Haruka na Sora is a Japanese visual novel of 339,079 characters, with 10,898 unique words and 1,777 different kanji. Its difficulty rating on Jiten is average, 2.0 out of 5. The full vocabulary list ranks all 10,898 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.