Fred/Helena and whoever else is good people!
"It is a sign of respect in my time. Especially since I am working under him at the library while we spend our time here." Helena shifted under the way Ginny was looking at her. It was then that she realized everyone there was somehow related to Harry and Fred, and she really had just been brought to a family gathering.
Helena blushed something horrible. "What should I.. What should I call you? Not Ginevra, obviously." Usually, she was able to sling back just as she was given, it was in her Ravenclaw genes. But today, she found she was uncomfortable in her very skin, even before she had put on this dress which showed off parts of her body which shouldn't have been seen.