Sakura Yamato

Yamato is a cheerful and energetic girl. When she was in elementary school, she was often alone and being bullied by her classmates and was called "man girl". After becoming friends with Ai she became much more cheerful. Before moving to Switzerland, Ai gave her a doll which looked liked her and that whenever she felt lonely, she can always talk to the doll. Five years later, she came back to see that her geeky best friend Ai has become a delinquent. Now she tries to revive her friendship with Ai and find out what has changed her during her living in Switzerland.