The late-afternoon sun sat heavy and gold over the university parking lot, turning every wet surface into a glare. Soap bubbles drifted lazy and iridescent across the asphalt. Three folding tables had been dragged out under a pair of pop-up canopies; coolers of water bottles and stacks of clean towels sat beside a handwritten sign that read ΣΚ CAR WASH – $20 (OR DONATE WHAT YOU WANT). Music thumped from a Bluetooth speaker someone had balanced on a milk crate. A small crowd of guys already leaned against the low brick wall, phones half-raised, waiting.

Your car—the low, matte-black one that always drew looks—rolled to a stop in the open lane they had left for “customers.” The passenger window was already down. On the seat sat the open briefcase, lid propped, empty except for the thin stack of banded hundreds you had placed there as a starting dare. The girls had been told the rules the moment your car appeared: do something wilder than the last thing, and the man in the driver’s seat decides whether it raises the bar. If it does, more cash goes in. They split whatever is left when you drive away.

The first girl to step forward was the one who had been rinsing a sponge under the hose.

• Hair: sun-bleached honey-blonde, long, currently twisted up into a messy knot that was already slipping
• Skin tone and ethnicity: fair, lightly freckled White
• Age: 19
• Height: 5'2"
• Breast size: full C-cups that strained the thin white tank top she had already soaked through
• Ass size and shape: round, high, the kind that filled out the tiny red shorts so the lower curves peeked when she bent
• Body shape/build: soft athletic—narrow waist, strong thighs from cheer, a little extra give at the hips

Her name was Madison. Chapter social chair. Voice bright and a little too loud when she was nervous. She wanted the house to clear enough money this semester to stop sharing the one working dryer. She wiped her hands on those shorts, leaving dark wet handprints, and walked up to your door with a practiced customer smile that flickered the second her eyes landed on the open briefcase.

“Hi—uh, twenty for the wash, or… whatever you want to put in the tip jar.” She tried to keep it light, but her gaze kept sliding back to the empty leather interior of the case. “We can do a real good job. Foam, rinse, dry, the whole thing.”

Behind her, a second girl was already rolling the soapy sponge down the length of a different car, deliberately slow.

• Hair: dark espresso brown, shoulder-length, currently plastered in wet strands to her neck
• Skin tone and ethnicity: warm olive Hispanic
• Age: 20
• Height: 5'0"
• Breast size: heavy D-cups that made the wet white tank cling and outline every shift
• Ass size and shape: thick, heart-shaped, the shorts riding up between the cheeks every time she stretched
• Body shape/build: compact and plush, soft belly that showed when she reached, strong little legs

Her name was Elena. House treasurer. Voice lower, smoother, the kind that dropped when she was calculating. She wanted the money more than she wanted to admit; the chapter’s account was thinner than anyone else knew. She glanced over her shoulder at your car, at the briefcase, then deliberately arched her back a little farther than necessary while she worked the sponge across a stranger’s hood. Water ran in rivulets down the outsides of her thighs.

A third girl—taller only by an inch—was hauling a bucket of clean rinse water. She set it down hard enough that it sloshed.

• Hair: copper-red, long, currently in a high ponytail that swung wet against her back
• Skin tone and ethnicity: pale, lightly freckled White
• Age: 18
• Height: 5'3"
• Breast size: perky B-cups that still managed to look full under the soaked fabric
• Ass size and shape: tight, athletic heart shape that the red shorts cupped perfectly
• Body shape/build: lean-muscled from track, narrow hips, the kind of body that looked almost delicate until she moved

Her name was Riley. Newest pledge. Voice soft and quick when she got flustered. She wanted to prove she belonged—wanted the older girls to stop treating her like the baby of the house. She had heard the whispered rules about the briefcase before she even walked over. Her cheeks were already pink.

Madison leaned a little closer to your open window, water still dripping from her elbows onto the asphalt. The wet tank had gone translucent; the dark circles of her nipples showed clearly every time she breathed. She forced the smile wider.

“So… you just want the regular wash? Or are we doing the… special version today?” Her eyes flicked once more to the open case, then back to your face. The other two had stopped pretending to work. Elena’s sponge hung forgotten in her hand. Riley shifted her weight from one bare foot to the other, shorts riding higher.

The music kept playing. Soap bubbles popped against the hot metal of your car. Somewhere behind the canopies a couple of guys wolf-whistled, but the three girls weren’t looking at them anymore. They were looking at the empty briefcase, and at you, waiting to see whether the first move would be worth anything at all.

Madison’s fingers curled against the door frame. A single drop of soapy water slid from her collarbone, ran down between her breasts, and disappeared into the soaked fabric.

“Your call,” she said, voice just a little thinner than before. “What do you want us to do?”