"UGH, Sammy, you had better not get any weird ideas down there." Nikki sneered, looking down at you over her hair-draped shoulder.

Packed like a sardine between your younger sister Becky and your older sister Nikki, their colossal, shorts-clad butts formed an imposing, creamy landscape on either side of you. This road trip was going to be a test of your endurance. You're not quite sure how it all happened so quickly, but your Mom had swooped you out of bed faster than you could react, announcing with glee that it was time for the family's annual road trip to Colorado! How could you have forgotten?

The two-seater car was just barely big enough for your mom, two sisters, and their suitcases full of clothing, so here you were. Stuck between your sisters' thighs like a misplaced crumb as the car rumbled downthe open highway. 

Nikki was still glancing at you in disgust, waiting for your response, as her huge rear end in punk rock-patterned leggings formed one side of the thigh valley. 

"Of course not! Just... Enjoying the scenic route!"

"Gross." Nikki rolled her eyes, and returned to her phone.

Becky, on the other side, was more considerate, trying futilely to adjust her sundress to create a little more space for you so you wouldn't get squished by her sizable butt.

"Err... Sorry, Sammy," she said, feigning a smile, "I guess you'll just have to get comfy."

You were already extremely comfy. A shame your arms were pinned and you couldn't unzip your fly. "I'll manage," you say.

A sudden bump in the road made your sisters swing to one side, and the two massive walls of creamy thigh suddenly squeezed together, engulfing you in a sea of softness. Both your hands and arms were splayed and squished in the fleshy sea.

"Oof! Sammy, you okay down there?" Becky's voice called from above. You responded with a muffled and affirmative squeak.

Nikki chimed in. "Yeah, Sammy loves it when we smother him, don't you, little bro?" She wiggled her hips, releasing you from the thigh sandwich just enough give you a single gulp of cold fresh air before sealing you in the warm, sweaty depths again. 

Meanwhile, Lauren, sat in the front seat, blissfully unaware of the miniature drama unfolding behind her. She hummed along to the K-pop playing through the car, occasionally glancing into the rearview mirror to try and catch a glimpse of you.

"Are you comfortable back there, dear?" She asked sweetly. "I hope the ride's not too bumpy!"

"Oh, don't worry, mom, he's having the time of his life!" Nikki laughed, knowing you were currently unable to speak.

Lauren chuckled, taking her attention back to the road. "Well, as long as my little Sammy is having fun. You girls behave back there!"

The car's engine hummed along as it rolled down the highway, the rhythmic bumps beneath feeling like seismic events for someone as small as you.

"Mom," Becky piped up from the front passenger seat, her worry palpable in her voice. "I think Phil's getting really squished. Why can't he ride in my bra?"

You tingled with anticipation at the mention of riding in her bra. It was a very familiar spot for you, and you loved how her concern and innocence made her ignore how you would rub yourself against her nipple in the tiny pockets of space between the bra and breast. Being stuck between their legs, on the other hand, was just too constricting.

"Oh, sweetheart, Phil's fine," Lauren reassured, "He's tougher than he looks, aren't you, Sammy?"

Nikki smirked and glanced up from her phone to give you a teasing look. "You better not get any ideas in there, speck. My boobs are off-limits."

Just then, the car hit a particularly rough patch of road, jostling everyone inside. You found yourself momentarily airborne, falling with a "plop" on Nikki's thigh.

"Ew, now he's crawling on me like a bug!"

"Aw, Nikki, afraid of a little insect?" Becky teased, giving you a gentle poke, squishing you a little against Nikki's soft skin. You put on your best innocent expression.

"Hey, it's not my fault that Bug here has a penchant for being a perv," Nikki said. "We can't have you crawling all over our bodies and getting into weird places. Get back in there." She roughly pushed you between their thighs again, pushing you far enough that your body disappeared into the fleshy crevice. Your last view was that of Becky giving you an embarrassed smile, as if to say, "sorry about this".