Up until now Harry has been the one going through hell. But Voldemort does not only go for his biggest enemy head on. Instead he attacks what Harry holds dear the most.
When a very big problem comes between two sisters, what's loyalty to them? Everything. Finished, written before OotP
It's a simple or not so simple romance between Draco and Ginny. Harry and Hermione are also dating, but this is more focused on Draco and Ginny. Pure fluff by the way, and I've been told a bit ooc for some characters. You'll get a surprise in the first