Air date: 2022-08-07

Runtime: 39 min

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

Air date: 2022-08-14

Runtime: 38 min

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

Air date: 2022-08-21

Runtime: 44 min

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

Air date: 2022-08-28

Runtime: 40 min

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