Jake suppressed a sigh as Janie put her clothes in the empty bottom drawer of his dresser. He knew that she couldn't help being in his room for the week, but it still irritated him that he would get no privacy for awhile. Mandi turned and gave him an apologetic smile.
"I know this sucks, big bro., but there really isn't any other choice."
Jake smiled in spite of himself. Janie always called him "big bro." when she was trying to make him happy, and he was older... by four minutes. Jake had no clue what his parents had been thinking when they bought this matchbox eighteen years ago. Their mom had been eight months pregnant with twins, and still they had bought a place that had no room for growth. The one floor house had three bedrooms, two bathrooms, a tiny kitchen, and a small family room that also served as a piano room, den, and office. To put it nicely, the family had always been close.
And now, to top it all off, they had decided that now was the time to redo the moldy wall of the teen's bathroom. Janie's room shared this wall, so she was told to move to Jake's room for the duration of the project.
Janie finished her unpacking and plopped down on the bed next to her brother. "Listen, I really do feel bad about invading your room. Thanks for letting me crash here." She leaned over and gave him a brief hug. Jake squeezed back and grinned evilly.
"No problem sis. Just don't get mad if I snore, hog the covers, or drool!"
"Or all three at once!" Janie joked back, and both knew that the next week would turn out okay.
The first night was, understandably, uncomfortable. The double bed was much too small for two eighteen year olds, and it didn't help that they were trying to give each other as much space as possible. After all, the two siblings hadn't slept in the same bed since they were nine years old, and a lot had changed since them. Especially a lot of physical things. Jake and Janie were exhausted the next morning, and spent most of a beautiful summer day slouched on the couch. That night they made a mutual agreement that sleep was better that personal space, and ended up spooning most of the night. However, it was the third night that the twin's relationship was changed forever.
Jake woke up around midnight to Janie's moans. She was writhing on the bed, pressing herself against him and shuddering slightly. After calling her name a few times and not getting any response, Jake figured she was having some sort of nightmare. He went to shake her awake, but stopped cold as she spoke.
"Oh yes, give it to me! Harder... Harder! Ohhhhhhh!" She shuddered again and started to buck slightly. She was dreaming all right, but it definitely wasn't a nightmare. Jake was caught somewhere between embarrassment and curiosity. He respected his sister's privacy, but was dying to know who she was dreaming about. Had she had sex already? If she had, she was one up on him. He thought back but could only remember two of Janie's boyfriends, and neither had seemed that serious. His thoughts were cut off abruptly when Janie came. Jake's cock grew instantly hard as she arched against him and moaned. He knew he shouldn't be reacting this way to his sister, but his cock didn't seem to care whose tight ass it was pressed up against.
Slowly, almost against his will, Jake began to dry hump his sister. "Fuck! This feels so good!" he thought wildly, and pressed his wrist into his mouth to keep from shouting out. He was seconds from the biggest orgasm of his life when Janie jerked awake. Panicked, Jake rolled over and pretended to sleep, praying that she hadn't been aware of what he was doing.
Janie sat up in the small bed and looked down at her brother's still form. She had been having a very erotic dream, and had a bad feeling she might have said something out loud in her sleep. "Jake?" she asked cautiously, "Are you awake?"
Jake made a non-committal grunt and shifted. "Yeah, I guess so." A period of tense silence followed. Finally Jake admitted, "I didn't mean to, but I kinda heard you a little while ago. You were moaning and talking. Care to explain?"
Janie felt her cheeks heat and knew that if she were to look in a mirror they would be bright red. "I'm so sorry about that Jake! It's just that I usually...take care of things at least every other day, and being in here I couldn't do that. I guess my subconscious was trying to make up for it." She trailed off and waited nervously for a reply.
Jake considered his response carefully, and then nodded. He knew just how she felt. "It's okay Jan; I'm having the same problem. And besides, I like to get off at least once a day, so I'm probably even hornier than you right now."
Janie laughed softly. "Poor you, have you gotten any relief in the last three days?"