Rachel laughed and said "I thought you'd say that!"
Rachel raised her glass to her mouth and Julie's eyes widened with wonder and pure arousal. Slowly she tilted her head back and - she stopped. Julie almost lunged at her, "Why'd you stop!?" She yelled.
"To build your excitement obviously!" laughed Rachel as she rocked her head back and began to pound down the milkshake down her throat.
Rachel immediately felt it's effects slowly creep across her body. She made the hasty decision to sit down in the middle of her room as she leapt up from the bed - the stein never leaving her lips.
Her whole body thickened in front of Julie's eyes, who sat down to her on the floor next to her and began rubbing her body, feeling the fat fill her lover. Rachel's breasts swelled faster than anything, growing massively ontop of her swelling belly. Julie smirked as she released her bitten lip, "I think I know what your something extra was..." She gave Rachel nipple a playful squeeze. Rachel yelped in delight as she reached the halfway point in the stein. Still, fat poured onto her body, her thighs growing closer and closer to each other, even as her legs were spread, creeping along the floor. Julie rubbed her thick arms and began to kiss them as Rachel's fingers and face widened in front of the glass. She was almost done now.
Her swollen breasts sagged and expanded outward still, and spread apart across her enormous stomach which now began to scrape along the floor. Filling the space between her thick, swelling thighs. Julie had already cum on herself by now, furiously stroking her cock as her spare hand rubbed Rachel's rounding belly. It had 2 massive rolls in front of her. Her arms were now nearly as thick as Julie's own thighs. Her ass expanded outwards behind her immensely, travelling almost a foot from where it had started.
Julie couldn't help herself as Rachel finished the drink. She got up in front of Rachel and pushed her down flat onto the floor. Her whole body shook and jiggled as Julie layed down on top of her, holding her plumping hands down, and kissed her passionately on the lips. Rachel's belly growled hungrily as Julie moved down to suck on Rachel's engorged teat. Rachel was truly massive now. Easily over 500 lbs. Rachel moaned as Julie lapped ravenously at her nipples. Julie gripped at Rachel's ass and began to make her way down further still when Rachel called her name. "Julie," she said, -