Harmony Secret is a Thai GL Series directed by Oh Kritsada Techanilobon which stars Lookmhee and Sonya. It aired on July 26, 2025.
Synopsis: Two business heiresses 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. (Source: GlThinker X)
Where to Watch:
Main Information
| Title | Harmony Secret |
| Native Title | ดีลลับฉบับเล่นเล่ห์ |
| Also Known As | A Deal Wrapped in Deception , Deal Lap Chabap Len Le |
| Genres | Romance, Drama |
| Country | Thailand  |
| Episodes | 8 |
| Aired | Jul 26, 2025 – Sep 13, 2025 |
| Aired On | Saturday |
| Original Network | One 31 |
| Duration | 47 min. |
| Content Rating | 18+ |
| Director | Oh Kritsada Techanilobon |
| Original Creator | serenista |
| Screenwriter | – |
Gallery
Cast
Lookmhee Punyapat Wangpongsathaporn as Ai
• Instagram: 
lmlookmhee
• TikTok: 
lmlookmhee
Sonya Saranphat Pedersen as Mewika
• Instagram: sonyasarann
• TikTok: sonyasarann
Lilly Nichapalak Thongkham as –
Belle Jiratchaya Kittavornsakul as –
Official Account
X: @harmonysecretTH