“Oooohhhh...” Austin gasped, feeling a cock enter him for the first time.

“Everything alright?” Tina asked.

“Yeah, it’s just...” he wiggled his hips to try to accommodate the intrusion better, “It’s REALLY big. Like, a lot bigger than I thought it would be.”

“You’ll be fine, you crybaby.” she responded, grabbing a handful of her partner’s big, soft tits. “Before the Great Shift swapped our bodies, I was taking plenty of dicks bigger than your 7-inch member.”

Tentatively, Austin began to slowly grind his hips, starting to ride a man for the first time. “Don’t remind me... Now I’m in the body of a huge slut.”

“Hey, that’s my old body you’re talking about!” Tina growled, beginning to thrust in and out as her friend’s ass bounced against her thighs. “I promised I’d show you how it feels so good.”

Focusing on finding a comfortable rhythm, Austin felt involuntary moans begin to escape from his mouth. For a few minutes the two were joined in carnal bliss as Austin grinding against the huge cock, his busty breasts swinging wildly on his chest until the two of them screamed as they simultaneously reached incredible orgasm.

Their naked bodies collapsing into each other, the pair took a second to catch their breath. “That... was... the best orgasm... I’ve ever had.” Tina panted.

“You came inside of me...” Austin said, annoyed. “What if I got pregnant?” Secretly, Austin was beginning to realize all the potential that the Great Shift had given him since he was swapped with his friend. He could already picture himself heavily pregnant, his breasts swollen even bigger than they were already. Feeling himself beginning to get horny again thinking of Tina suckling milk from her breastfeeding boobs, he remembered he could now experience multiple orgasms Pulling himself off of her body, he headed to her bedroom. He knew where Tina kept her dildo and was ready to keep going all night, whether she was ready or not.