Undercover High School
Drama
Undercover High School 2025/02/21
Character count125,266
Word count52,552
Unique words4,712
Words (1-occurrence)2,198
Unique kanji1,410
Kanji (1-occurrence)287
Difficulty beta Moderate
Episodes12

Byungmoon, Korea’s top private high school, is rife with corruption, where status and success matter most. Hae-sung, a top NIS agent, goes undercover at Byungmoon to find Emperor Gojong’s hidden gold and uncover the truth behind his father’s disappearance. Cold and calculated, he sees the school as an obstacle—until he connects with students and a former crush and becomes a reluctant hero. Torn between duty and newfound bonds, can he still complete his mission?

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Episode 1
Character count11,067
Word count4,574
Unique words1,335
Words (1-occurrence)786
Unique kanji710
Kanji (1-occurrence)280
Difficulty beta Moderate
Episode 2
Character count9,776
Word count4,064
Unique words1,119
Words (1-occurrence)654
Unique kanji582
Kanji (1-occurrence)229
Difficulty beta Moderate
Episode 3
Character count10,815
Word count4,582
Unique words1,084
Words (1-occurrence)588
Unique kanji562
Kanji (1-occurrence)202
Difficulty beta Moderate
Episode 4
Character count9,986
Word count4,259
Unique words1,133
Words (1-occurrence)663
Unique kanji600
Kanji (1-occurrence)251
Difficulty beta Easy
Episode 5
Character count10,693
Word count4,455
Unique words1,194
Words (1-occurrence)678
Unique kanji577
Kanji (1-occurrence)204
Difficulty beta Easy
Episode 6
Character count10,238
Word count4,290
Unique words1,134
Words (1-occurrence)645
Unique kanji596
Kanji (1-occurrence)236
Difficulty beta Moderate
Episode 7
Character count11,384
Word count4,749
Unique words1,284
Words (1-occurrence)726
Unique kanji658
Kanji (1-occurrence)242
Difficulty beta Moderate
Episode 8
Character count10,892
Word count4,569
Unique words1,172
Words (1-occurrence)640
Unique kanji621
Kanji (1-occurrence)234
Difficulty beta Moderate
Episode 9
Character count10,216
Word count4,367
Unique words1,060
Words (1-occurrence)596
Unique kanji571
Kanji (1-occurrence)212
Difficulty beta Moderate
Episode 10
Character count10,911
Word count4,598
Unique words1,191
Words (1-occurrence)677
Unique kanji615
Kanji (1-occurrence)240
Difficulty beta Moderate
Episode 11
Character count9,515
Word count3,983
Unique words1,061
Words (1-occurrence)603
Unique kanji593
Kanji (1-occurrence)238
Difficulty beta Moderate
Episode 12
Character count9,773
Word count4,062
Unique words1,109
Words (1-occurrence)650
Unique kanji603
Kanji (1-occurrence)259
Difficulty beta Easy