The 21-Day Theory

The 21-Day Theory

2025 Drama • 9.0 • 1 seasons

Using the 21-Day Theory, a determined woman pursues a wealthy man to prove he's straight—but the truth defies her expectations.

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▶ Trailer
S1

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Cast

Narikun Ketprapakorn
Narikun Ketprapakorn
Pie
 Supakorn Saokhor
Supakorn Saokhor
Boss
 Pataraphol Wanlopsiri
Pataraphol Wanlopsiri
Euro
 Dom Hetrakul
Dom Hetrakul
Barami

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