Synopsis
A playful rivalry turns into something more when a cocky senior dares his classmate to win the school’s top celebrity’s heart in just 21 days.
Images



Frequently asked questions about 21 Days Theory
What is 21 Days Theory about?
A playful rivalry turns into something more when a cocky senior dares his classmate to win the school’s top celebrity’s heart in just 21 days. It is a drama from Thailand from 2022 in the Drama, Romance genre.
