When science goes right! (MasterZero & Salem)

[MasterZero]

When the two were naked, he chose Knuckles to fuck. "Sunny, be a good girl and sit down and watch. You'll get your turn," he promised, as he motioned Nikki over. As soon as she was close enough, he grabbed 'her' by 'her' hips and slammed his shaft up 'her' butt, fucking her. They were face to face and King moved down to kiss his neck as he whispered. "Do you remember Rouge the Bat? The busty thief who flirted with you? Tell me, Nikki, did you ever want to fuck her? OR did you just want to wear her clothes and makeup?"

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"AHHHH!" Knuckles screamed as a loud of cum went sent into his body. "Please! Stop! I'm begging you!" he cried. "I surrender! I surrender!" he moaned, before cumming himself, shooting his own seed onto himself.