... he saw were thick, luscious lips.
He dove on her.
“J—Jo—” he cut her off with his lips on hers forcefully. He could feel her arms trying to push him off of her, but he was stronger. He pushed her back into the lab table, forcing her ass into the edge. She squealed from pain. He kissed her ferociously, licking her lower lip then forcing his tongue into her mouth. He drank her taste. She tried to bite him to force him out of her mouth, but he sighed with pleasure. His cock throbbed against his leg. Johnny winded his fingers around her cherry locks and bit her lips. She sobbed slightly, but an unmistakable sigh escaped her.
He broke the kiss and stared into her eyes momentarily. “Johnny, we can’t do this.” His sister’s eyes were wet with tears. She tried shove him away but he caught her hands and raised him above her head. Gently tipping her chin upwards with his fingers he bit her already purple lips. She screamed. “STOP! Johnny, why are you doing this?”
“It’s you’re experiment Susan. It’s always your mother fucking experiment, isn’t it?” Johnny said, nastily. He couldn’t hide his anger. Years of being embarrassed by her and Mary’s malfunctioning experiments… He was tired of it! “I’m always your lab rat, Susan! Always your little experiment. Well, how about you be my experiment now, huh Susan? How a...