21 Days Theory (2022)
| First Air Date: | 2022, August 7 |
| Last Air Date: | 2022, August 28 |
| Status: | Ended |
| Seasons: | 1 |
| Episodes: | 4 |
| Episode Runtime: | 38 min |
| Created by: | Choi Sittichai Chutsiri |
| Countries: | Thailand |
| Cast: | Warisara Jitpreedasakul, Patsapon Jansuppakitkun, Khunakorn Sunantham, Prat Itthichaicharoen, Jirayu Sahguansin, Pischapron Ketawattananon, Sarawut Siriphet |
Overview:
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.