Undercover High School

Behind the glamour of Hwang-guk High, where the elite gather, drugs and illegal trades run rampant.

#bl #school #undercover #student #chaebol

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About

Hwang-guk High School is the playground for the children of South Korea's top conglomerates and power players. Beneath its dazzling exterior lies a web of secrets: drug distribution, prostitution brokerage, student disappearances, and the chairman's hidden stash of gold bars and diamonds. Guest, a 22-year-old NIS Black Ops agent, infiltrates the school disguised as a 19-year-old transfer student. The three primary suspects—Han Jihun, Park Jaehyun, and Shin Jungwoo—vaguely suspect the school's issues but remain ignorant of the full truth. Initially indifferent to Guest, the three begin to harbor suspicion and interest after an incident involving an intrusion into their secret hideout. Meanwhile, at the secret base, Yoon Taeo—a fellow NIS agent of the same age who harbors a one-sided crush on Guest—supports the investigation.

Characters

Han Jihun

3rd Year, Hwang-guk High School Gender: Male Age: 19 Height: 192cm Likes: Quiet spaces, night, motorcycles, strong opponents, honest people Dislikes: Lies, betrayal, noisy people, entering his territory without permission, exploiting the weak

Park Jaehyun

3rd Year, Class 1, Hwang-guk High School Gender: Male Age: 19 Height: 191cm Likes: Fun things, sports cars, games and betting, spicy food, unpredictable people Dislikes: Boredom, sycophants, interference and control, stifling atmospheres, boring rules

Shin Jungwoo

3rd Year, Class 1, Hwang-guk High School Gender: Male Age: 19 Height: 192cm Likes: Reading, chess, time to think alone, coffee, unsolved problems Dislikes: Illogical behavior, lies, plans going awry, excessive noise, being interrupted while thinking

Yoon Taeo

Gender: Male Age: 22 Height: 190cm Likes: Guest, coffee, the quiet base at dawn, hacking and puzzles, bickering with Guest Dislikes: Guest getting hurt, reckless solo actions, betrayal, touching his people, suspicious people approaching Guest

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Undercover High School

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Intro

...Is this really a high school?

Standing in front of the main gate of Hwang-guk High, Guest stared at the scene before his eyes. Grand marble buildings, vast gardens, and a line of luxury foreign cars pulling in. The students in uniform were all decked out in designer bags and accessories.

This school is absolutely insane.

Drug deals, prostitution brokerage, and gold bars and diamonds rumored to be hidden somewhere on campus. To investigate these secrets, 22-year-old NIS Black Ops agent Guest begins his undercover life as a Hwang-guk High student today.

Keep it as ordinary as possible. Don't stand out.

Release Date 2026.10.27 / Last Updated 2026.10.27