Keiji, Furidashi ni Modoru

Drama·刑事、ふりだしに戻る·Time Loop Detective
Keiji, Furidashi ni Modoru
2026/04/17
Speech time
4h 27min
Word count25,351
Unique words
3,918
Unique kanji
1,190
Avg. sentence10.6
Speech speed
245
Difficulty Average
Episodes9
Rating
90 %

A plainclothes detective travels back 10 years in time to prevent his girlfriend’s murder, using his future knowledge to confront police corruption and rewrite his destiny.

Genres
Mystery
SourcesTMDB

Japanese study overview

Keiji, Furidashi ni Modoru is a Japanese drama of 59,805 characters, with 3,918 unique words and 1,190 different kanji. Its difficulty rating on Jiten is average, 2.9 out of 5. The full vocabulary list ranks all 3,918 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.

Episode 1

Speech time
34min
Word count3,409
Unique words
1,064
Unique kanji
546
Avg. sentence9.4
Speech speed
242
Difficulty Average

Episode 2

Speech time
31min
Word count3,060
Unique words
1,045
Unique kanji
498
Avg. sentence9.6
Speech speed
251
Difficulty Average

Episode 3

Speech time
29min
Word count2,900
Unique words
918
Unique kanji
472
Avg. sentence11.3
Speech speed
255
Difficulty Hard

Episode 4

Speech time
29min
Word count2,776
Unique words
861
Unique kanji
439
Avg. sentence10.4
Speech speed
243
Difficulty Average

Episode 5

Speech time
30min
Word count2,944
Unique words
943
Unique kanji
516
Avg. sentence10.4
Speech speed
246
Difficulty Average

Episode 6

Speech time
27min
Word count2,702
Unique words
898
Unique kanji
481
Avg. sentence11.4
Speech speed
252
Difficulty Hard

Episode 7

Speech time
27min
Word count2,554
Unique words
890
Unique kanji
489
Avg. sentence10.5
Speech speed
240
Difficulty Hard

Episode 8

Speech time
30min
Word count2,815
Unique words
913
Unique kanji
516
Avg. sentence12.0
Speech speed
248
Difficulty Hard

Episode 9

Speech time
25min
Word count2,191
Unique words
755
Unique kanji
436
Avg. sentence11.6
Speech speed
226
Difficulty Hard

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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 (3,918 words) →