Create a Save File
Start a new game by choosing one of the empty save slots. Use the Erase feature if all of the slots are in use. You can choose New Game to start from the beginning, or if you have completed Oracle of Ages and received a Secret of Holodrum password you can choose Secrets to enter the password and begin a Linked Game of Oracle of Seasons.
After choosing New Game, create a name for your character, then choose OK. You will be prompted to choose the message speed. You can change the message speed each time you play. After choosing it, the game begins.
Arrival in Holodrum
After a cutscene, you end up next to a wagon and can hear some music in the distance. Exit to the east.
Meet Din
You find a troupe of performers, which includes the red-haired girl from earlier. She is a dancer named Din. Talk to everyone, then talk to Din. There will be a cutscene.
Talk to the Maku Tree
After the cutscene, Impa asks you to meet the Maku Tree in Horon Village.