Ronweasleysister Stories

The Emerald Trio. Harry's cousin, Ron's other sister, and Hermione's sister. They are all good friends. Kinda ??? fandom x Harry Potter crossover fanfiction. The Emerald Trio were left in Grimmauld Place by their siblings. They escape. When they were out, they went to a cafe. Ron's other sister gets a note. The Avengers happen to be at that cafe. What happens???

Rosemary Weasley is the twin sister of Ronald Weasley, she and Draco Malfoy are enemies and have been since their first year at Hogwarts, she loathes him and he loathes her. But - is this loathing just that? Or is there some lust there?