She then lifted her hips to catch my cock more deeply inside of her – but I raised my hips further as well so that the deeper penetration was only m...mentary. She frowned at me, only half in play, and then her eyes widened and her mouth parted when I suddenly thrust into her with all the driving power my legs and hips could generate. I withdrew and thrust into her again and again forcefully a few times, and was rewarded by feeling her legs spasmodically slamming against the bed and against my. His mission was to infiltrate the home, find the hidden laboratory andgather evidence that would be used to become a case for governmentprosecutors.Not an easy task, but having accomplished many similar, successfully,he was not concerned about this one. Just another petty scientist, justanother criminal, he would do his job and remove another nefarioussuspect from the wanted list.At the back door, a servant's entrance possibly, delivery door perhaps,less secure, less protected and easily. After 20mins, he cummed all over my body. We laid in bed covered with the juices. Then again he fucked me several times in different styles. When we finished, it was 6 in the morning. He insisted me to have a bath together. Then we went to his bathroom. First, he filled his bath tub completely with water and then added some gel in it. Instantly, the water turned in aqua blue color. He told me that the gel releases pain out of the body. Then he made me sit inside and fucked and had a bath. I opened my eyes to see her glaring at me in disgust."Tom! Were you... watching me?"I didn't say anything, and my hands remained wrapped around my dick, which was shrinking rapidly."Answer me, Tom. Did you see me in there?"Swallowing once, I nodded. She continued to stare angrily."Were you jacking off?"I nodded again, biting my lip, and locking my eyes with hers. She sighed, and held her forehead with her free hand."Jesus Christ... that's sick, you know that? I'm your fucking sister, for God's.