As Mary Jane's body continued to move, and she jumped up on Gwen's lap, and began to ride her cock. Gwen moaned and licked her lips with her forked tounge. She ran two of her hands down Mary Jane's lucious amazon-like body, and molested Mary Jane's breasts with her second pair of hands, and with her third began to squeeze her own. Twisting her own nipples, in addition to Mary Jane's, they both let out a moan, causing Mary jane's mind to go a bit more numb, as the symbiote continued to infect her with Janet's demonic powers, as Mary Jane began to be bound to the will of the Deviless.
With each thrust of Gwen's dick, Mary Jane could feel a power enter her. A power of pure evil....it felt so warm, so inviting. It felt amazing. "Is this how Peter feels having having his powers? This feeling of pure bliss from being powerful? That....bastard! He was keeping power like this from me?" she thought to herself, as a dark aura began to surround her. Her negative emotions began to seep into her mind, heart, and soul. Her love for Peter began to turn into hatred and lust. A desire to turn him into a demon whose only reason to exist was to fuck demonesses and obey their every whim!
Gwen smirked as she used her magic to probe Mary Jane's mind. All was going as planned, she was giving into her inner darkness, and with all the evil being pumped into her, soon the very concepts of kindness and heroics would be forign to her, as Mary Jane transformed further. A pair of thick, black horns began to form from the side of her head, curving down and pointing forward to just beside her cheeks. Gwen launched another load into Mary Jane, causing them both to let out massive orgasims, as Gwen threw MJ to the ground.
The symbiote moved and oozed over Mary Jane's face. Rows of fangs filled her mouth, along with a thick green tongue dripping with green drool. The horns and tail soon were covered and a pair of bat-like wings emerged from Mary Jane's back.
"Now, what is your purpose?" Gwen said with a smirk.
"To spread the will of the Deviless" Mary Jane said, as pushed her hair out of the way of her face, as they symbiote peeled back, revealing her lips now adorned with black lipstick, and she was wearing dark purple eyeshadow, and her pupils were now slits, with red scleras. She grinned with a malicious face, as she felt the power of the symbiote course through her. She had been reborn. She was a Lust Demoness! A sex crazed bitch, who sought nothing more than corrupting the innocent and fucking! Mary jane let a flap from the dark black wings as she stood up, and began to flex her muscles as she checked out her new demonic body.
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