
MBC’s drama Undercover High School remained at the top in popularity until the very end!
According to FUNdex, the official platform of Good Data Corporation, a company that analyzes K-content trends, Undercover High School ranked No.1 in overall TV buzz—including both drama and non-drama categories—for the fourth week of March. The show maintained this position for six consecutive weeks, proving its incredible popularity!
Seo Kang Joon also dominated the TV drama actor buzz ranking, holding the No.1 spot for six weeks straight! From the first episode to the finale, he never lost his top position, making an impressive mark in the industry.

Meanwhile, Undercover High School aired its final episode on March 29. The drama followed elite NIS agent Jung Hae Sung (played by Seo Kang Joon), who went undercover in a high school to track down a missing stash of gold. With thrilling action and emotional moments, the drama kept viewers hooked until the very end!
The show also highlighted the stories of righteous and warm-hearted temporary teacher Oh Soo Ah (Jin Ki Joo), who later became a full-time teacher, and the charismatic final villain Seo Myung Joo (Kim Shin Rok), the chairwoman of the school foundation. Their intense clashes added to the suspense, making the conclusion even more thrilling.
Undercover High School wrapped up on March 29, leaving fans talking about its exciting storyline and Seo Kang Joon’s incredible performance. Did you watch the finale?
Source: [1]