Two business heiresses—Aiwarin and Maevika—from a hotel empire and from a department store dynasty, respectively, compete for a national Duty-Free bid. From the moment they meet, an undeniable attraction sparks.
| Title | Harmony Secret |
|---|---|
| Year | 2025 |
| Genre | Drama |
| Country | Thailand |
| Studio | ONE 31, iQIYI International |
| Cast | Punyapat Wangpongsathaporn, Saranphat Pedersen, Ladapa Thongkham, Jiratchaya Kittavornsakul, Akalavut Mankalasut, Nithi Smuthkochorn |
| Crew | Serenista (Novel), Saithip Montrikun Na Ayudhaya (Executive Producer), Vorarit Vaijairanai (Executive Producer), Kritsada Techanilobon (Director), Orave Pinijsarapirom (Original Music Composer), Ticha Aphaiwongs (Writer) |
| Alternative Titles | 하모니 시크릿 |
| Keyword | lesbian relationship, lgbt, girl power, hotel business, girls' love (gl), inflammatory |
| First Air Date | Jul 26, 2025 |
| Last Air date | Sep 13, 2025 |
| Season | 1 Season |
| Episode | 8 Episode |
| Runtime | 60:14 minutes |
| Quality | HD |
| IMDb: | 8.00/ 10 by 13.00 users |
| Popularity | 3.8531 |
| Language | Thai |
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