Episodes

1. Episode 1

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

2. Episode 2

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

3. Episode 3

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

4. Episode 4

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

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.

Details

Cast

Patsapon Jansuppakitkun

Khunakorn Sunantham

Prat Itthichaicharoen

Jirayu Sahguansin

Warisara Jitpreedasakul

Pischapron Ketawattananon

Sarawut Siriphet