Abbie tries on the purple string bikini

"Okay, okay," said Abbie. "I won't wear this one. What about the purple?"

"Are you serious? You would wear that down on the pool deck with dozens of folks around?"

Abbie shrugged. "Sure. It covers all my naughty bits." She stripped out of the white suit, and wrapped the purple bikini around her body, tying the strings. "Okay, it barely covers all my naughty bits." She laughed. "You're right, though. It's almost nothing." She twirled around to model it for Jake.

Jake couldn't believe what he was seeing. The bikini top had triangles barely large enough to cover her nipples. The edges and outlines of her breasts were complete exposed. As for the bottoms, the front patch was about as large as the bikini patches, and the back was a thong and disappeared into her ass crack.

"I guess I should check the, uh, durability of this so-called suit. Would that be okay with you?" said Jake, approaching her.

Abbie giggled. "Yes, sir. Please, check the durability." She stood up straight as Jake neared her.

He went around to her backside, and pulled on the strings that held the top in place. "Stretch feels okay. Knots look secure." He fingered the bottom strings just above her ass. "Can't really see where the bottom goes, seems to have been swallowed by this bubble butt here."

Abbie laughed. "It's a thong!"

Jake snickered. He ran a finger into her ass crack along the string of the bottoms. His fingertip grazed Abbie's asshole as he pulled the string. "I seem to have found it. But this area might need further exploration."

Abbie looked over her shoulder to see Jake squat down, his face to her ass. He pulled the string aside, and spread her ass cheeks. He flicked his tongue out, and tickled the edges of her asshole with it. Interspersed with that, he thrust his face into her ass, pressing it against her cheeks, and sticking his tongue into her hole.

He leaned back to look at her ass. He reared back his hand, and swung forward with a hard smack on her skin.

"Jake!" Abbie exclaimed.

"Testing durability, as you said. Can the string survive a manual stress test?"

Abbie laughed. "How complicated is the stress test?"

"Do you think a twenty-phase test would work?"

Abbie moaned. "Yes, please. Twenty sounds good."