21 Days(2017)

21 Days is a Thai romance series centered on Techa, a high school student who falls for her classmate Rain. Desperate to win his affection, Techa obtains a magical potion designed to guarantee a successful love confession—but only if Rain drinks it too. When she manages to slip him the potion, events spiral in unexpected directions, forcing both characters to navigate the messy reality of manufactured romance. The series blends supernatural elements with coming-of-age drama, exploring themes of love, consent, and consequence as Techa discovers that shortcuts to the heart rarely work as planned.