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The 21-Day Theory

The 21-Day Theory

The 21-Day Theory

2025 1 Seasons 4 Episodes ⭐ 9.0 Drama

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

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

Seasons & Episodes

EP 1

Episode 1

EP 2

Episode 2

EP 3

Episode 3

EP 4

Episode 4

Popular Cast

Narikun Ketprapakorn

Narikun Ketprapakorn

Pie

Supakorn Saokhor

Supakorn Saokhor

Boss

Pataraphol Wanlopsiri

Pataraphol Wanlopsiri

Euro

Dom Hetrakul

Dom Hetrakul

Barami