Undercover High School
Drama
Undercover High School 2025/02/21
Character count125,224
Word count52,165
Unique words4,707
Unique words used once2,195
Unique kanji1,406
Unique kanji used once286
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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Subdecks
Episode 1
Character count11,065
Word count4,537
Unique words1,330
Unique words used once783
Unique kanji710
Unique kanji used once280
Difficulty beta Moderate
Episode 2
Character count9,774
Word count4,033
Unique words1,120
Unique words used once655
Unique kanji582
Unique kanji used once229
Difficulty beta Moderate
Episode 3
Character count10,813
Word count4,534
Unique words1,082
Unique words used once588
Unique kanji562
Unique kanji used once202
Difficulty beta Easy
Episode 4
Character count9,983
Word count4,233
Unique words1,133
Unique words used once664
Unique kanji600
Unique kanji used once251
Difficulty beta Moderate
Episode 5
Character count10,689
Word count4,413
Unique words1,191
Unique words used once679
Unique kanji577
Unique kanji used once204
Difficulty beta Easy
Episode 6
Character count10,232
Word count4,258
Unique words1,132
Unique words used once643
Unique kanji596
Unique kanji used once236
Difficulty beta Moderate
Episode 7
Character count11,381
Word count4,704
Unique words1,284
Unique words used once728
Unique kanji658
Unique kanji used once242
Difficulty beta Moderate
Episode 8
Character count10,887
Word count4,549
Unique words1,169
Unique words used once636
Unique kanji621
Unique kanji used once234
Difficulty beta Moderate
Episode 9
Character count10,212
Word count4,347
Unique words1,055
Unique words used once586
Unique kanji571
Unique kanji used once212
Difficulty beta Moderate
Episode 10
Character count10,905
Word count4,580
Unique words1,185
Unique words used once674
Unique kanji615
Unique kanji used once240
Difficulty beta Moderate
Episode 11
Character count9,512
Word count3,946
Unique words1,060
Unique words used once607
Unique kanji593
Unique kanji used once238
Difficulty beta Moderate
Episode 12
Character count9,771
Word count4,031
Unique words1,105
Unique words used once646
Unique kanji603
Unique kanji used once259
Difficulty beta Easy