I immediately started to move, slowly, and felt Karls getting hard inside me again. Martin walked towards us, very slowly, first hiding his erection w...th his hand, then touching it through his boxers, and finally took it out and started masturbating slowly. He came to me and said Blow me! Karl and I were already accelerating our movements and I was more than aroused, so I bent down and took Martins in my mouth. When he was totally hard, he said: Lets all go to bed. Once we got there we got rid. He had always been vocal during sex, but he was so quiet, enjoying the feeling of her lips around him and the feel of her tongue washing over his cock, her hands gently squeezing his balls as she tasted him.His fingers were ready, he wanted to feel how wet she was, wet over him, he slid them inside her pussy, one by one until all four were inside her, his thumb settled on her clit. He began to move his hand in time with her mouth giving him oral delight, fuck he wanted her as she soaked him. My stomach felt a bit queasy. I went to Google, and an old memory hit me. I was in middle school. Midst of puberty. I spent a lot of time watching TV, and I remembered now, like some old repressed thought, the first time I'd ever thought about another girl in a sexual way. It was mostly an innocent thought, then, but I remembered feeling hot when I watched two of the female characters on my favorite television show make-out. It was so sensual, and no boy had yet to kiss me like that. Then, like. “You got a good friend there sis.”I winced when he called me sis. Jack must have noticed how that made me feel, slightly uncomfortable. “Um ... sorry I meant ... I-I meant...”“It’s ok. We are possibly related so ... you might be calling me sis in a few days.” The thought of that made me happy but then again it saddened me.Jack took my hand in his. “Come on, let’s go to my room. I promise I’ll behave.”I laughed and followed him to his room. Secretly, I didn’t want him to behave.Once in his room,.