明けねばこそ夜は永く―

From Author Wars - https://authorwars.com/books/ming-kenebakosoye-hayong-ku-2808652.html

Overview:

Title: 明けねばこそ夜は永く―
Author: 安里アサト
Year: 2019
Type: Novels
Series: 86
Number in Series: 6

Variant Titles:

2020. Darkest Before the Dawn