InnOngsa
InnOngsa is the pairing of Thai actors Jakkrasin Atsavatanachai (Inn) and Theethuch Khummuang (Ongsa), both working with the One31 network. One31 introduced them together under the Thai form อิน-องศา when it announced the historical BL series The Edge of Horizon (อรุณรุ่ง) on 18 June 2026.
The two had never acted opposite each other before. One31’s announcement described the casting as their first time as a pair, and the series was built around them: Inn plays Phopthee, a commoner and the son of the palace wet nurse, and Ongsa plays Prince Thinnakon, a young man of royal lineage. Their characters grow up together, are separated by rank and family, and are brought back together as adults while Siam moves through the political upheaval of 1932.
The pairing began with a lead billing rather than a supporting arc, which is unusual: most Thai screen pairings are introduced in a side storyline first and promoted only if the response is strong.
One platform carries this pairing’s recorded work.
The Edge of Horizon lists One 31 and nothing beside it.
A single network listing means one broadcast route and no streaming partner alongside it. The One Enterprise produced the series, so producer and platform point the same way.
What sits inside that single route makes the reach question more interesting. Eleven episodes at 51 minutes carry romance, historical, royalty, forbidden love, action and political labels. That is a period piece rather than a contemporary one, and it runs at 15+.
Broadcast ran from 20 June 2026 to 29 August 2026, and the episodes come to just over nine hours. All of that joint work reached viewers through one named platform.
A pairing introduced straight into lead billing on a period production rather than tested in a supporting arc first. The dynamic the series is built on is distance: rank, household and tradition keep pulling the two characters apart, so the rapport has to carry across separation rather than proximity. One31 positioned The Edge of Horizon as a flagship 2026 release on the strength of that first pairing.
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