Mike groaned as he turned the key in the lock, the sound of the tumblers clicking into place a small comfort after the long day he'd had. He pushed the door open, expecting to be greeted by the familiar sight of his bedroom - the neatly made bed, the pile of laundry that needed to be folded, the stack of books on his nightstand.
But what he saw instead made his heart leap into his throat.
There, lying on his bed, was his 18-year-old stepbrother, Boris. His pants were down around his ankles, and he was...masturbating.
Mike's first instinct was to turn and run, to pretend like he'd never seen what he'd just walked in on. But something held him in place, some primal instinct that made him want to watch, to see what would happen next.
Boris must have sensed his presence, because he quickly covered himself, his face turning a deep shade of red as he realized he'd been caught.
"What the fuck are you doing?" Mike demanded, his voice low and dangerous.
Boris swallowed hard, his eyes darting around the room as he tried to come up with an excuse. "I-I was just...you know," he stammered, his cheeks still burning with embarrassment.
Mike took a step closer, his eyes narrowing as he took in the sight of Boris, so vulnerable and exposed. He felt a stirring in his pants, a sudden desire that he couldn't ignore.
"You're going to tell our parents about this little habit of yours unless you do exactly what I say," Mike said, his voice soft and deadly.
Boris's eyes widened in fear, but he nodded, his throat working as he tried to swallow the lump that had formed there.
"Good boy," Mike said, a cruel smile twisting his lips. "Now, you're going to call me 'master' or 'lord.' Do you understand?"
Boris nodded again, his voice barely above a whisper as he said, "Yes, master."
Mike felt a thrill of power run through him at those words, the knowledge that he had complete control over Boris. He could do whatever he wanted to him, and Boris would have to comply.
He stepped closer, his hand reaching out to brush against Boris's cheek. Boris flinched at the touch, his body tense and uncomfortable.
"Relax," Mike said, his voice soothing. "You're going to enjoy this, I promise."
Boris didn't look convinced, but he closed his eyes and took a deep breath, his body relaxing slightly as Mike began to have sex with him. At first, Boris was tense and uncomfortable, his body stiff and unyielding. But as they continued, he started to relax, his hips moving in time with Mike's.
After they finished, Boris opened his eyes, a dazed look on his face.
"That was...that was my first time," he said, his voice soft and hesitant.
Mike felt a pang of guilt, but he pushed it aside. He couldn't let himself feel anything for Boris, not if he wanted to keep their arrangement a secret.
"We'll keep it that way," he said, his voice cold. "But if you ever tell anyone about this, I'll make sure you regret it."
Boris nodded, his eyes wide and scared.
Mike started to apply BDSM, and Boris found himself liking it more than he expected. He couldn't believe how much he was enjoying it, how much he was craving the pain and the pleasure that Mike was giving him.
But when Boris revealed that he was pregnant with Mike's child, Mike became enraged. He accused Boris of trapping him, of trying to ruin his life.
Boris was scared, but he knew he couldn't change what had happened. He could only hope that Mike would forgive him, that they could find a way to make it work.
But as Mike stormed out of the room, leaving Boris alone with his thoughts, he knew that forgiveness was a long shot. He could only hope that he hadn't just made the biggest mistake of his life.
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