Hikaru ga Shinda Natsu

Anime·光が死んだ夏·The Summer Hikaru Died
Hikaru ga Shinda Natsu
2025/07/06
Speech time
2h 57min
Word count17,618
Unique words
2,809
Unique kanji
961
Avg. sentence9.3
Speech speed
260
Difficulty Average
Episodes12
Rating
80 %

Two best friends living in a rural Japanese village: Yoshiki and Hikaru. Growing up together, they were inseparable… until the day Hikaru came back from the mountains, and was no longer himself. “Something” has taken over Hikaru’s body, memories, feelings… and everything they know begins to unravel. (Source: Netflix)

Genres
Horror
Mystery
Psychological
Supernatural
Thriller
Tags
Monster
Tragedy
Male Protagonist
Countryside
Cosmic Horror
Urban Fantasy
Body Horror
Mythology
Teen Cast
Curse
Unrequited Love
Boys' Love
Seinen
Philosophy
School
Detective
Denpa

Japanese study overview

Hikaru ga Shinda Natsu is a Japanese anime of 38,709 characters, with 2,809 unique words and 961 different kanji. Its difficulty rating on Jiten is average, 2.7 out of 5. The full vocabulary list ranks all 2,809 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.

Episode 1

Speech time
13min
Word count1,483
Unique words
581
Unique kanji
308
Avg. sentence9.1
Speech speed
279
Difficulty Average

Episode 2

Speech time
15min
Word count1,518
Unique words
570
Unique kanji
281
Avg. sentence8.5
Speech speed
243
Difficulty Average

Episode 3

Speech time
13min
Word count1,336
Unique words
521
Unique kanji
225
Avg. sentence9.2
Speech speed
293
Difficulty Average

Episode 4

Speech time
14min
Word count1,434
Unique words
562
Unique kanji
274
Avg. sentence9.3
Speech speed
258
Difficulty Average

Episode 5

Speech time
14min
Word count1,413
Unique words
543
Unique kanji
256
Avg. sentence8.2
Speech speed
268
Difficulty Average

Episode 6

Speech time
15min
Word count1,317
Unique words
512
Unique kanji
245
Avg. sentence8.1
Speech speed
191
Difficulty Average

Episode 7

Speech time
13min
Word count1,106
Unique words
460
Unique kanji
225
Avg. sentence8.0
Speech speed
227
Difficulty Average

Episode 8

Speech time
15min
Word count1,635
Unique words
607
Unique kanji
330
Avg. sentence9.8
Speech speed
283
Difficulty Average

Episode 9

Speech time
16min
Word count1,501
Unique words
534
Unique kanji
260
Avg. sentence10.4
Speech speed
242
Difficulty Average

Episode 10

Speech time
14min
Word count1,744
Unique words
638
Unique kanji
328
Avg. sentence10.7
Speech speed
282
Difficulty Average

Episode 11

Speech time
15min
Word count1,609
Unique words
582
Unique kanji
316
Avg. sentence10.6
Speech speed
291
Difficulty Average

Episode 12

Speech time
15min
Word count1,522
Unique words
553
Unique kanji
259
Avg. sentence10.0
Speech speed
266
Difficulty Average

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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 (2,809 words) →