In a certain superstitious fictional country, there is popular belief to hang a flower garland inside the car to worship the "protector" of a car for good luck and safe traveling. Those flower garlands are crafted by hand and conveniently sold around the intersection to those cars waiting at red light. That's where your job comes in.

Garland Boy is a game about a boy who earns his living by selling flower garlands and various goods to cars waiting in a traffic light at the intersection while following his dream to get into a good school.
Not only working and saving money, there are also side gigs to do in the weekend, and the ultimate goal is to prepare for upcoming school entrance exam.