The votes are in, and one revenge thriller has taken the crown. The Korean Business Research Institute has dropped its September brand reputation rankings, and A Bona Fide Killer is dominating conversations across the K-drama fandom.
Table of Contents
Top 5 K-Drama Brand Brand Rankings
| Rank | Drama | Brand Reputation Index |
|---|---|---|
| 1 | A Bona Fide Killer | 5,233,155 |
| 2 | Our Happy Days | 4,712,721 |
| 3 | A Trap Called Desire | 3,352,346 |
| 4 | Love on the Menu | 2,936,191 |
| 5 | Our Sticky Love | 2,714,471 |
Rankings based on data collected August 10 – September 10, 2026
Why A Bona Fide Killer Is Winning Hearts?
This isn’t just a numbers win — the sentiment behind it is overwhelmingly positive. The show posted a striking 95.24% positive reaction score, with fans rallying around phrases like “one shot, one kill” and praising standout performances from its leads, Kong Hyo Jin and Jung Jun Won. Viewers are particularly drawn to its “satisfying” sense of justice and “passionate acting,” a combination that’s clearly resonating deep into the fandom.

What the Rankings Actually Measure?
These monthly rankings aren’t based on ratings alone. The Korean Business Research Institute crunches data across five categories — consumer participation, media coverage, interaction, community awareness, and viewership — to build a comprehensive picture of which dramas are genuinely capturing public attention, not just eyeballs.
The Rest of the Top 20
Beyond the top five, the list features a mix of genres holding strong: Four Hands Two Sonatas, Anna, Family Register, The Apartment Job, and The Affair Was Just the Beginning round out positions six through ten. Familiar favorites like Your Honor, Flower Crew: Joseon Marriage Agency, and Flex x Cop 2 also continue to hold their ground in the mid-rankings, showing that audience loyalty for ongoing hits remains steady even as newer titles climb the chart.
For more on how brand reputation indexes are calculated across industries, see Wikipedia’s brand equity page.
For more K-drama rankings, reviews, and entertainment updates, head over to TechnoSports for complete coverage.
FAQs
Q1. Which drama topped the September 2026 brand reputation rankings?
A Bona Fide Killer ranked first with a brand reputation index of 5,233,155.
Q2. How are these drama rankings calculated?
They’re based on consumer participation, media coverage, interaction, and viewership data.





