This April, “Buried Hearts,” “The Art of Negotiation,” and “Undercover High School” topped the brand reputation rankings for Korean dramas. Find out other Korean dramas that make it to the top 20 Korean drama brand reputation rankings for April 2025.
“Buried Hearts” Leads April 2025 Korean Drama Brand Reputation Rankings
From March 8 to April 8, 2025, the Korean Business Research Institute extracted 72,118,648 brand big data from 20 popular Korean dramas. Compared to 7,472,607 drama brand big data in March, the number increased by 25.48 percent. Further, they analyzed brand consumers to measure the participation, communication, media, community, and viewership indexes.
As a result, “Buried Hearts,” “The Art of Negotiation,” “Undercover High School,” “Cinderella Game,” and “When Life Gives You Tangerines” dominated the top five Korean dramas for this month.
Check out the popular Korean dramas from February to April 2025 below.

TOP 5
1. “Buried Hearts”
Park Hyung Sik and Heo Joon Ho’s drama, “Buried Hearts,” has ended on April 4. The last episode reached an average nationwide rating of 13.4 percent, reaching a new personal record. Additionally, it became the most-watched show across all channels that day.
The show maintained its position at number one for the second consecutive month. It achieved a brand reputation index of 8,149,590 this month with the following breakdown:
- Participation Index: 1,799,422
- Media Index: 2,013,183
- Communication Index: 1,532,114
- Community Index: 1,235,557
- Viewership Index: 1,569,314
In the link analysis, the institute found “breakthrough,” “act passionately,” and “record” to be the terms related to the series. In keyword analysis, they found “Park Hyung Sik,” “Heo Joon Ho,” and “Love Triangle” to be the most popular keywords in the drama. Additionally, the hit series earned a positive score of 92.74 percent in the positivity-negativity ratio analysis.
2. “The Art of Negotiation”
Lee Je Hoon’s office drama “The Art of Negotiation“ portrays the reality of business today, particularly in mergers and acquisitions. It has captivated viewers with its compelling storyline that perfectly balances reality and mystery.
The series ranked second and achieved a brand reputation index of 7,142,091. Here is the breakdown:
- Participation Index: 1,683,702
- Media Index: 1,450,009
- Communication Index: 1,361,807
- Community Index: 1,691,101
- Viewership Index: 955,472
3. “Undercover High School”
MBC’s drama “Undercover High School,“ which concluded its episodes on March 29, fell to third place this month. Despite the drop in ranking, the series perfectly blends action, comedy, romance, and mystery, captivating viewers.
Seo Kang Joon’s comeback drama achieved a brand reputation index of 6,953,880. Here is the breakdown:
- Participation Index: 1,686,212
- Media Index: 1,275,460
- Communication Index: 1,287,439
- Community Index: 1,988,075
- Viewership Index: 716,694
4. “Cinderella Game”
With its engaging storyline, “Cinderella Game” managed to rank fourth this month. The show achieved a brand reputation index of 5,591,161. Here are the details:
- Participation Index: 944,219
- Media Index: 1,111,746
- Communication Index: 1,064,167
- Community Index: 975,857
- Viewership Index: 1,495,173
5. “When Life Gives You Tangerines”
The heartwarming Korean drama series “When Life Gives You Tangerines,” starring IU and Park Bo Gum, rounded out the top five Korean dramas this month. This new series captivated domestic and international Kdrama fans with its touching story and received widespread acclaim.
The slice-of-life drama reached a brand reputation index of 5,444,504, with the following indexes:
- Participation Index: 1,977,324
- Media Index: 786,027
- Communication Index: 939,214
- Community Index: 876,964
- Viewership Index: 864,976
TOP 20

- “Buried Hearts”
- “The Art of Negotiation”
- “Undercover High School”
- “Cinderella Game”
- “When Life Gives You Tangerines”
- “For Eagle Brothers”
- “The Divorce Insurance”
- “Hyper Knife”
- “My Merry Marriage”
- “The Potato Lab”
- “Friendly Rivalry”
- “The Witch”
- “Mother and Mom”
- “The Trauma Code: Heroes on Call”
- “Weak Hero Class 1”
- “Desperate Mrs. Seonju”
- “Karma”
- “Villains Everywhere”
- “My Dearest Nemesis”
- “Way Back Love”
Which one is your favorite Korean drama this month? Please share with us in the comments below. Check out other Korean brand reputation rankings for April 2025 here.
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Source: Brikorea