Fuck my ass!" Tracy said, too excited to think straight. I pulled out of her pussy and aimed my cock at her tight asshole. I began pushing until the h...ad popped in."Ummfff... yea... h... god..." Tracy mumbled.Kelly was gasping and holding her s!ster's head clamped to her pussy, but she couldn't take her eyes off my cock penetrating her s!ster's ass. I pushed harder and my dick went a few inches deeper. I pulled out a bit and then pushed in again until I was buried all the way to my balls. I. . I don't know what I did but I have to go now." Professor Henderson told Doris that it was all fine, that she had done nothing wrong. This was exactly the type of experience needed for the study. Yet, Doris was overwhelmed. She politely thanked Marcus for the dance and thanked the professor for the opportunity. But then she said she didn't think she would be able to continue. She scurried to the front door and fled into the night. Marcus asked if he should go after her but the professor. " Cease your attack or face the consequences," the spirit warned."We're gonna fuck you up," one of the men responded as he lungedforward with his knife.The spirit didn't bother to say anything in response, and merely movedto the side, grabbing the mugger's arm and twisting until it broke. Hefollowed this up by kicking the other mugger several times in the sideand then in the back of the leg. In seconds, all three of the muggerswere sprawled on the ground, where they remained when the bus. ..oh fuck...don't stop...keep fucking me like this...and I'm gonna cum...”“Fuck Rita I'm gonna cum too, fuck I can feel it coming!”I lifted myself up and fucked her faster, building up both of our climaxes all the while trying to make it last, but eventually one of the two had to give. It was me who came first, blasting her insides with spurt after spurt of my heavy, thick cum. After the fourth spurt she closed her eyes and pulled me tight against her while she came under me.“Fuck fuck fuck,.