She could feel her orgasm building inside of her and she knew it was going to be powerful one. The building orgasm was fueled by Danny thrusting his long thick cock into her slopping wet pussy. It was fueled even more by the pleasure she was giving her daughter who had cum 5 times by having her pussy eaten. The Book watched the 2 rutting females and knew it was time. As the orgasm continued to grow and grow, Becky's Mother could not reach a point of release. She became frantic, begging her body to release. She began moaning, "I can not cum, I can not cum". Becky slides back off her Mother's face, leans down near her right ear and whispers, "to cum Mother, you have to give up your soul". She screams, "take my fucking soul, take it so I can cum". With that, she came the last time as a human. With the release of the most powerful orgasm she had ever had in her life, her heels dug into the bed, her neck and back arched until only her heels and her head were touching the bed. Her body was catatonic and remain so for almost 30 seconds. With a moan and a deep breath, her body relaxed and collapsed on the bed. Her changes began to accelerate, her skin became crimson colored beginning at black labia lips and spread quickly up her torso and down her legs. Her lips, nipples, and areola turned dark black. Two 5 inch horns sprouted from the top of her forehead curving backwards as two 6 foot wings tore through her back just below her shoulder blades. A 6 foot cock tail began growing from her back at the base of her coccyx. Her fangs grew in along with an 8 inch serpentine tongue slid out of her mouth as if she was scenting the air. Long, sharp talons grew out of her fingers and toes. Her breasts grew to tripe Es with 2 inch long nipples. A 3 inch drew claw burst from her lower leg just above the ankle joint. Runes and demonic tattoos began to glow on her crimson skin. With her changes complete, she looked over her new body. "Damn, I am hot, hot", she said. Becky put her arms around her Mother pulling her in for a long, deep french kiss. At the same time their cock tails entered each others pussy fucking each other hard and fast. They pulled each other closer their breasts pressing into each other and began to slide up and down on each's breasts. The combination of all 3 acts quickly brought them to a powerful orgasm. "Thank you Becky and Danny for sharing your gift with me", she said. The book spoke to all 3 of them, "you need to go share your gift with others". Becky perked up, "I know who we can share our gift with next, Lukey-poo and his family" Becky said with a big smile on her face. Danny and her Mother nodded in agreement. But lust over took them and they fucked each other for several hours before heading off to Luke's house. Stepping outside into the night, the 3 of them spread their wings and flew off into the night. Landing next to Luke's house, the 3 of them could sense that Luke, his sister, and mother were home. "OK, here is the plan, Danny, you take Luke's mother, Mother, you take his sister, and I will take Lukey-poo" said Becky. They change into their human forms with tube tops and short shorts for them and Danny changed into black jeans and a dark black t-shirt. They walk mup to the front door and knock.
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