Using the 21-Day Theory, a determined woman pursues a wealthy man to prove he's straight—but the truth defies her expectations.
The 21-Day Theory is a television series from 2025, available to stream online across all seasons and episodes. Optimized for mobile, tablet, and desktop.
Sign in to track your progress
The 21-Day Theory
2 upcoming shows
1 titles
Narikun Ketprapakorn & Supakorn Saokhor
Join the conversation
Sign in to leave a comment
No comments yet
Be the first to share your thoughts!
Recommended
九尾藏不住
青瑶不想当杀手
突然的喜欢
炽热吸引
其实不是初恋
太平年
冬のなんかさ、春のなんかね
Let the Right One In
วิวาห์ปฐพี
リブート
Search for movies, TV shows, collections, manga, or people
Trending Now