Fight with the beast

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Chapter 6

You don't know how it happened but as you push open the door to your room something inside you is wounded. Your heart is bleeding. And your hand hurts, almost like it's resisting holding Mackie so tightly by her hair.

"What are you doing, you cock-amputee peasant? Let go of me and fuck a baby in my belly!"

Your parents protested, your mother begged, your father grunted menacingly, but in the end the two of them were too busy with primeval fucking to prevent you from dragging Macke up the stairs like a war booty. There is something dark in her, something evil, something depraved. But you are a man and you are stronger. With **** you throw her onto your bed and her body bobs around on the soft sheets.

"Oh that's right" she laughs as you lock the door and slip the key into your pants, the fabric of which stretches over your colossal erection. "You want me all to yourself. Why don't you say so?" Grinning greedily, your sister spreads her legs for you and strokes the insides of her thighs with her elegant fingers. "Dad's got a huge cock," she says dreamily. "Excellent job. Did you see how much he spread Mom? You can do that to me too. I'm all yours. You don't have to share me with Dad." As she speaks you lean into the closet and press your lips together. What the hell happened to you, Mackie? Where is my dear sister? I want my sister back! I love... You find what you are looking for and turn to the strange girl on your bed.

"Lie down," you say sternly. Her eyes fall on your hands.

"Oh," she whispers wickedly when she sees the belt in your hand. "Now I understand." Swinging, she rolls over and sticks her butt out at you. "I've been a really naughty girl. Punish me, Finn! Brother!"

Then your sister's happy squealing fills the room as she feels the weight of your body on her. From below, the animalistic sounds of your parents drift up, your mother's screeching, your father's grunting. They sound like mating animals, wild and rampant. And below you lies your little sister, her body feeble, her words harsh and slippery.

"I'm your big brother," you say as you tie her hands.

"Yes, brother you are." She squirms with pleasure on her belly, turning her head around and pressing her tight ass against your lap. "So big and hard for me."

"I'm doing this for you."

"Do me, brother!" Then Mackie is tied up. She lies on her stomach, her head facing you.

And you go weak.

"I've always wanted to see you like this" you admit to yourself and her eyes light up.

"Oh God no..." cries Mackie, the real Mackie, in the darkness of her box. She can feel everything her possessed body does, and in a way, see and experience everything too. But she can't intervene. She has the taste of her mother in her mouth, traumatized by the experiences, the fear and the powerlessness. She had thought, hoped, her brother would save her. But now he is standing by the bed, his pants almost tearing under the power the evil entity has given him. Mackie can understand him, even if it breaks her heart. She always wanted to show herself like this in front of him, too. **** and subjected to him. His little sister. She can't be angry with him, but the thought that she will lose him because of the stupid things she has done breaks her heart.

"Then take me now" she hears herself say, feeling the desire between her legs, all-consuming. "Take me now and I'll be yours forever. Brother and sister forever joined."

"Not yet. Stay here and be a good girl."

"Okay brother," purrs the Evil Being. Then Finn disappears from the room. "Hey, you!" Evil Mackie bangs on the box. "Why are you still here?"

"Let me out! Please!" begs Mackie but Evil Mackie just laughs.

"You'll never get out of there little thing. Have fun watching. Even your brother can't resist your tight cunt." Then the door to the room opens. Finn is naked.

"Didn't I tell you so?" But Mackie can only look out the slit of her box at her brother's huge penis, the harsh muscles stretching like steel cables beneath his skin. He himself probably hasn't even noticed as he moves to the bed, and Mackie feels his weight moving the mattress, something she's always liked, it made her slide closer to him. That's how it's happening now, too. And somehow Mackie is happy to finally feel the body above her that she so desires, to look into the eyes she has fallen in love with.

"What...?" She recognizes it because she is his sister. Faster than the evil being.

"I'm sorry." Then everything goes dark.

You know enough about medications that you know how your mother's sleeping pills work and you have paid close attention to the description. Macke resists but with the cuffs on her hands, you have an even easier time. Your cock twitches and strokes the hot skin of the girl under you while your hand rests over her eyes. She wants to scream and curse you but you waited for that and forcefully pour her the pills together with the high-proof vodka. Again, you were careful and you are sure that it will work as you foresaw. It shouldn't take long for Macke to pass out, but it shouldn't be so strong that she suffers any damage. You have calculated the LD 50 exactly, even under ****.

It doesn't take long and Macke doesn't move. Only then do you allow yourself to collapse on the bed and fight your own panic attack. While the animalistic moans of your parents come from downstairs, you try to prevent your life from collapsing.

You love Mackie, have always loved her. And somehow you know that she loves you too. But that's exactly why you couldn't act. What you have is too important, too fragile and if one of you breaks it, then Mackie has nothing left in her life. You can't let that happen. You love her too much for that. So much that you resist the primeval urge that comes from her and so much that you can forgive her for whatever she has done. And even if you don't know what it is, you know that something has to be done.

You rise and look at the sleeping, limp body of your sister. Images flash before your inner eye, you on top of her, her legs wrapped tightly around you, your mouths joined in carnal pleasure. This too is part of your love, and now that Mackie has become more primal, more raw, you must admit to yourself that it is time to acknowledge these feelings.

You turn back to the closet. You don't have many belts, but they are enough to bind her feet as well, and then, carefully and prudently, tie her body to the heavy post of your bed.

"Whatever it is, little sister, I will protect you. I'm going to get you out of there."