Ginny Weasley only appeared in one episode ("Ginny"). Harry fell in love with her, and wooed her, saying nice things to her, Harry also says he'd make out with her and also that she would look hot with a pixie cut (like Ron's hair but with a bow in it.) Ginny never
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Ginny
moves or talks.
At one point, Harry practices saying nice things to Ginny by letting Ron put a bow in his hair, pretending to be Ginny. But then Harry finds that Ginny has had her hair cut just like he said, and so when he returns to Ron he gets confused because they look identical and ends up killing himself with the Avada Kedavra curse.