Review: ‘Undercover High School’ K-drama (2025)

I read this somewhere. Hope only exists for people who believe in it. – Oh Su A.

You guys already know how much I like thrilling dramas, especially undercover missions, and when I got to know Seo Kang Joon was making a comeback, I knew I needed to watch it.

Let’s talk with the star of the show, Jeong Hae Seong. If you know about me, you know I like male leads who are smart but, at the same time, have a charming and flirty personality. I loved his character; he is such a pookie. The thing I liked was that nothing overshadowed the drama; everything was perfectly balanced. Hae Seong was disguised as a high schooler, and I liked that they showed him being a student studying and taking exams rather than totally just working and missing classes, which makes it dumb and a high risk of exposure as a student he is not attending class but roaming around. He is so beautiful, his eyes are so captivating, and he looks so good in his school uniform. His fight scenes and him being the agent were a treat to watch. I think his character was written phenomenally.

Then we have the female lead, Oh Su A. I’m not going to lie; at first, I did find her annoying until both Hae Seong (in the drama) and I (in front of the TV) pointed out how she never truly looked at what was happening but just found Hae Seong guilty. Later, I started liking her after she understood what was really happening in the school. I liked how the character was also totally out of the box. She seems very sweet but can fight really well. I think she really balanced out with Hae Seong. I liked that after recognising the problems, she truly became a good teacher and cared for her students. Her bond with her students was a treat to watch.

Another thing that attracts me to watch a drama is a good team with a hilarious sense of humour. Hae Seong’s team whenever they came on the screen I laughed clutching my stomach because they were freaking hilarious. The scenes were everything, especially when they are trying to hide their mission, and episode four belongs to them.  There were no scenes in this drama that were boring.

The plot was so good, especially how cleverly the writers added different steps in the mission but disguised them as schoolwork, which perfectly balances out the plot. Talking about the romance part, it’s nil because in the last few moments of the drama, we get to see them as a couple; before that, there is nothing official between them, nor are they focused on it. We can say they were fighting and flirting at the same time. To be honest, I never really like romance in thrilling dramas. Here as well, the romance was not foreshadowed and went in flow, which I liked. The chemistry was very chaotic and beautiful, which fitted with the vibe of the drama.

The cinematography was excellent, and the vibe was so cool and fresh that I could feel comforting vibes. The dialogues were outstanding; we thoroughly understand the perspective of teachers and students relationship.

If you want to watch something thrilling but with a chill vibe, then I highly recommend this drama.

Life isn’t fair – Jeong Hae Seong.

My Rating: 10/10

Total Episodes: 12

Genre: Action comedy, spy

Till we meet again, Be Happy, Be Grateful, and Keep Smiling – a girl who likes to write.

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