Ii Koto Warui Koto

Drama·良いこと悪いこと·The Right to Judge
Ii Koto Warui Koto
2025/10/11
Speech time
4h 37min
Word count25,752
Unique words
3,274
Unique kanji
1,042
Avg. sentence9.5
Speech speed
248
Difficulty Average
Episodes12
Rating
65 %

A sinister game begins when a group of classmates reunites at their high school reunion, only to uncover a time capsule containing a defaced graduation album—and soon, their peers start dying mysteriously. As two former classmates race to unravel the truth behind the deaths, their own hidden secrets threaten to expose a web of lies, turning every classmate into a suspect in a nonstop suspense-driven mystery: who is the true culprit?

Genres
Drama
Mystery
SourcesTMDB

Japanese study overview

Ii Koto Warui Koto is a Japanese drama of 61,475 characters, with 3,274 unique words and 1,042 different kanji. Its difficulty rating on Jiten is average, 2.6 out of 5. The full vocabulary list ranks all 3,274 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.

Episode 1

Speech time
26min
Word count2,569
Unique words
762
Unique kanji
405
Avg. sentence8.9
Speech speed
246
Difficulty Average

Episode 2

Speech time
27min
Word count2,532
Unique words
855
Unique kanji
452
Avg. sentence10.0
Speech speed
254
Difficulty Average

Episode 3

Speech time
27min
Word count2,694
Unique words
899
Unique kanji
455
Avg. sentence9.9
Speech speed
267
Difficulty Hard

Episode 4

Speech time
22min
Word count1,987
Unique words
645
Unique kanji
326
Avg. sentence8.6
Speech speed
230
Difficulty Average

Episode 5

Speech time
27min
Word count2,551
Unique words
735
Unique kanji
356
Avg. sentence10.9
Speech speed
252
Difficulty Average

Episode 6

Speech time
25min
Word count2,376
Unique words
732
Unique kanji
376
Avg. sentence10.0
Speech speed
252
Difficulty Hard

Episode 7

Speech time
25min
Word count2,071
Unique words
668
Unique kanji
337
Avg. sentence8.3
Speech speed
219
Difficulty Average

Episode 8

Speech time
25min
Word count2,313
Unique words
635
Unique kanji
308
Avg. sentence10.0
Speech speed
233
Difficulty Average

Episode 9

Speech time
23min
Word count2,156
Unique words
707
Unique kanji
409
Avg. sentence9.2
Speech speed
238
Difficulty Hard

Episode 10

Speech time
9min
Word count995
Unique words
408
Unique kanji
194
Avg. sentence8.6
Speech speed
298
Difficulty Easy

Episode 11

Speech time
25min
Word count2,366
Unique words
659
Unique kanji
343
Avg. sentence10.4
Speech speed
241
Difficulty Average

Episode 12

Speech time
10min
Word count1,142
Unique words
474
Unique kanji
238
Avg. sentence8.2
Speech speed
301
Difficulty Easy

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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 (3,274 words) →