Twenty One

Twenty One is a Thai romance series following Aii and Koon, two musicians who bond over heartbreak from the same person. When they decide to move in together for convenience, their friendship deepens in unexpected ways. Sensing something more between them, Koon's bandmates push him to confront his feelings. Caught between fear of losing their connection and uncertainty about his own heart, Koon proposes a twenty-one day experiment: a chance for Aii to make him fall in love. What begins as a test of emotions becomes a genuine exploration of whether their bond can transform into something deeper.