Gary watches while Bernie and Joyce masturbate in the van.

The next afternoon, with the Super Surf Van parked in Joyce's side yard behind a gate, Bernie arranged things to repeat the scene that had sparked Gary and Bernie's mutual confessions, their first anal intercourse together, and a visit to Mrs. Sonia Rubin so Bernie could watch Gary with one of his other lovers. Last night, Bernie had watched Gary had re-enact the scene where his mom had caught Gary in his room fucking another young man, and today, they were re-enacting the scene where Bernie had caught Gary and his mom masturbating together.

But today, Gary was the watcher, and Joyce and Bernie were the mother and child caught in the act.

Gary stood against the wall of Joyce's house, looking through the curtained window of the Super Surf Van. In the back, just where Gary and his mom had sat close together, Bernie and her mom sat close, their knees folded up high so they could reach each other. They were naked on the mattress that filled the back of the van, their golden curves exposed, nothing hidden. Joyce's unruly mop of curly, silver-threaded black hair was pulled back and up as a concession to the heat. Bernie's hair was braided and knotted on top of her head, keeping it off her neck for the same reason. Bernie and Joyce each had a gloved finger up the other's ass, probing and stroking, and the other hand bare, fingers digging in her own pussy lips, diddling her own clit.

"Two fingers, Naomi dear," Joyce requested. The two of them paused as Bernie removed one finger, squirted on more lube, and replaced it with two. "Ahh, good. Your fingers feel so full in me," Joyce said. "Do you want any more?"

"One is good for me, Mom," Bernie said.

Joyce's expression changed. Her lips twitched, and she breathed irregularly through her nose.

"Move your fingers now, my darling child," Joyce said. "Faster. Yes. I'm close, darling, are you close? Oh yes, oh yes!" Joyce's fingertips worked quickly over her swollen clit, rubbing, scrubbing, seeking the climax that looked so close. Bernie's fingers moved in and out of her mom's butthole. "Oh my darling yesss!" Joyce cried out. Her head tensed down and forward, then tossed back. The soft, heavy curves of her breasts and figure shook with the convulsive motions of her orgasm.

Gary flashed back to the scene when it had been him, and his mom Veevee, her ass squeezing down on his finger when she came. "Fuck my ass," she'd told him. He flushed hot, watching Bernie do the same thing to her mom. In the sheltered space between the van and Joyce's house, he felt no risk exposing himself. He opened his shorts and pulled out his cock, stroking it while he watched through the window.

When Bernie's fast-moving fingertips brought on her own orgasm, and while Joyce was still bucking with hers, Gary joined them, spurting his seed on the side of the Super Surf Van.

They all returned to Joyce's house and had a quiet shower together, none of them talking much.