Season 1 poster
4 episodes

21 Days Theory - Season 1

First aired Aug 7, 2022Season 1

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.

Episodes

Episode 1 still

Episode 1

Episode 1

10.0
Aug 7, 202239 min1 votes

Q meets X and is challenged to beat him in 21 days—sparking rivalry and unexpected bonds.

Episode 2 still

Episode 2

Episode 2

10.0
Aug 14, 202238 min1 votes

After X’s injury, Q tends to him closely, giving them a chance to see each other differently.

Episode 3 still

Episode 3

Episode 3

10.0
Aug 21, 202244 min1 votes

As their days together grow, Q’s feelings shift, and mutual understanding slowly deepens.

Episode 4 still

Episode 4

Episode 4

10.0
Aug 28, 202240 min1 votes

At a turning point, Q and X must face whether the “21-day theory” will define their future.