A sister true, a sister new

Alana has devoured enough of your essence that her transformation to a succubus is all but assured. Sinvolgoth will wish to help. She is far away, but you can feel her excitement at your discovery.

Beside you Alana stirs. "That was amazing, I feel so...odd."

"Alana simply tell your father Helleather said to obey you."

"I thought you were going to teach me all your secrets Heather?"

"Not to worry, I will. For now enjoy your father back. Come back and see me soon."

"Do I get to fuck you again?"

"Of course, if you desire it."

"I'll be back very soon."

She leaves. You return to your playroom. The three chained individuals squirm and try to scream through their ball gags. You caress one of the males. He shivers in delight. He'll soon go from screaming to begging to help you.

Some time later you recline on a pile of sleeping bodies. You wonder how long your little orgy lasted. Your minions kept adding new humans to the mix. Your playroom smells of sweat and sex. There must be nearly twenty exhausted bodies laying about. You look up and see your near identical twin smiling at you from the doorway.

"Twenty three humans well cleansed, you are a glorious slut."

You grin at her compliment. "Thank you, sister."

"I don't suppose you saved anyone for me?"

"Just me." You respond wiggling your tits.

"Good enough." She responds as she crosses the room in a gait that manages to be quick, graceful, and sexy.

She pulls you into a deep kiss. You push your tail into her ass and begun to undulate. She mirrors you. You push her down and slide your tongue into her sex. In a bit you come. Soon she comes. You come again. She comes again. An endless unbroken circle of pleasure.

The ringing of your doorbell finally disturbs you. You look up and see a sea of people. Most are now awake and fucking someone nearby. A pleasant site.

You sense it is your sister to be. With no need to frighten her, you sink your cloven hooves into boots, glide your tail into your sex, and cast your Suzy homemaker glamour. With every step toward the door your tail squirms giving you a jolt orgasmic bliss.

You open your door. Alana stands there. She looks hungrier, more predatory. The seed you planted in her has stretched out to fill the emptiness of what you cleansed. She is ready.

"Nice to see you Heather, you look so fucking hot. How did you do that to my father? He's been like a fucking ****. You have to show me how you did it."

"Of course Alana. Do come in."

As she gets next to you, you grab her and pull her into a kiss. Behind you, you feel Sinvolgoth enter the room. As you unlock lips Alana sees her. She gasps. You turn your head. Sinvolgoth frames the door like a naked obscene gargoyle.

"W...w...w...hat is that?"

"That's Sinvolgoth, Alana. She is a demon from hell. Are you afraid?"

"No."

"How do you feel?"

"I, I feel hot, wet, and ready to fuck."

"Would you like bigger, more sensitive breasts?"

She pauses for a moment and whispers. "Yes."

You have her. You lay your hands upon her breasts and watch them become the perfect sexual toys of a succubus. She moans in pleasure.

"Would you like a slender waist and perfect features?"

With a little more confidence she whispers. "Yes."

You rub your hands up and down her body, watching the tiniest of flaws disappear. As you rub she shivers in pleasure and her skin becomes an attractive red.

"Would you like a tail like Sinvolgoth's?"

She looks stunned by the question. Sinvolgoth moves in and whispers in her ear. "Think of how much more you could pleasure Heather?"

She looks at you and answers with confidence. "Yes."

A tail begins to grow from her back, becoming six feet long.

Sinvolgoth whispers. "You like controlling others, controlling men. Would you like to be as good as us at it?"

"Us?" She looks at you.

You let the glamour on your eyes and horns disappear. "Yes, us."

"Yes, oh yes!"

You pull her into a kiss. Sinvolgoth slips her tail into Alana's sex. Horns sprout from her head. You feel the last if her humanity slipping away. You lean into her ear and whisper.

"Malana."