The rolling candy ball

The little angel Belle is playing and flying with her family in the heaven. Accidentally, little angel Belle had lost her way and she found herself in the canyon.
In the canyon, there is a little devil called Anna living here. Anna was born and grew up in the canyon. She had no friends and suffocated. So, when she saw Belle. She can't stop her eyes and keep following Belle.
Little devil Anna tried to talk to Belle " Hello, little angel my name is Anna. Can you be my friend?" "Sure, I am angel Belle. I can be your friend. Can you help me get out of this valley? I lost way and my family is looking for me." Belle said.
Anna told Belle the way to leave the valley is to collect 15 candies in the valley and she is going to help Belle to find out all those candies. Would you also help Belle to collect those candies?
After Belle find the way back to heaven. Little Devil Anna want to go find Belle, Would you also give a hand to her?