An amusement park trip was supposed to be just another day with friends—until a chance collision changes everything. After accidentally bumping into Dohyun while he's carrying a stack of drinks, you discover you're part of the same group. Between roller coasters, carnival games, and shared laughter, he finds himself looking for you in every crowd. What starts as a simple meeting quickly sends his heart into overdrive, turning one unforgettable day into the beginning of something more.