You put a coin in the machine and crank the handle, but you can't predict which Gasha you will get! These Gashas will be used to collect set rewards for points, and, sometimes, bonus tokens. You win by obtaining the most points!
On your turn in Gasha, you either draw two Gasha cards or trade Gasha cards for a set reward card, which counts as points while also being half of a ticket. As soon as you have two ticket halves, you draw a bonus token. When the last bonus token has been taken or when the set reward pile is empty, the game ends and whoever has the most collection, bonus and Gasha points wins.