Okay. I've read a few Ginny/Weasley stories, so I had to get this off my chest. You can flame me all you want about how this is gross or disgusting, but just to let you know, they will be ignored. So if all you want to do is read and flame to try and get attention, don't read on.
It was wrong. He was her brother. But she couldn't help it; he made her feel so good. He ran his finger over the flesh of her hip and pinched her in her favorite spot. She squeaked. She ran a hand through his red hair. He suckled her neck. "Fr- Fred." She moaned. "Yes, Gin?" He asked, kissing his way up her neck. "We have to stop." She said. "Why?" He asked as he brushed past her ear. "Harry will be here soon." She said. Fred looked at her and pouted. "Gin, Harry can wait." Fred ran a hand down her side. Ginny shuddered and forgot all about Harry.
Harry opened the door to the burrow. "Mrs. Weasley, I'm here." He said. He looked into the kitchen, where she was preparing dinner. "Oh, Harry, nice to see you again. Ginny's in her room." She said. Harry nodded and headed for the stairs. He stood in front of the door to her room. He could hear someone moaning. He opened the door quietly. He was horrified at what he saw. Fred was holding Ginny, her legs around his waist, and they were snogging each other senseless. "Ginny?!"