Natalie could only murmur in response, panting and giving a slight nod whilst her hips ground back against Izzy, her pussy squeezing down on Izzy's cock as her body seemingly tried to milk the alien female.
"I...I...." Natalie couldn't finish as she spasmed, experiencing a semi-orgasm, though Izzy was right, deep down Natalie really did want Izzy to cum inside her, Natalie really was hoping that something would happen, something that would mark her as special in some way, somehow different from everyone else.