Kuro Ouji wa Koyoi mo Akuyaku Reisoku o Nemurasenai

Novel·黒王子は今宵も悪役令息を眠らせない
Kuro Ouji wa Koyoi mo Akuyaku Reisoku o Nemurasenai
2025/10/31
Characters73,343
Word count31,310
Unique words
4,602
Unique kanji
1,398
Avg. sentence24.8
Difficulty Hard
Dialogue15.7%
Duration
5 h
Rating
74 %

Japanese study overview

Kuro Ouji wa Koyoi mo Akuyaku Reisoku o Nemurasenai is a Japanese novel of 73,343 characters, with 4,602 unique words and 1,398 different kanji. Its difficulty rating on Jiten is hard, 3.1 out of 5. The full vocabulary list ranks all 4,602 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.

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Vocabulary highlights

Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.

See the full vocabulary list (4,602 words)