I have a best friend

She has long, straight, black hair, big, black eyes and a small nose. She is very thin and kind, she is cute, too. Her English and Chinese are very good. She is hard-working. 
She favorite season is summer, because it＇s hot ,she can eat ice- cream. She likes playing the piano, reading books and singing songs. 
Who＇s she? She is my best friend ---Susan.