Bob slammed the door behind him, and all hell broke loose. Tim and Rick leaped off the bed, tensed and ready to fight any intruder, while Gloria gasped and turned pale. When they saw that the "intruder" was only Bob, everyone looked exasperated.
"What the hell are you doing in here, little brother?" Tim demanded.
"It's past your bedtime, kid," Rick snapped.
Hands on hips, glaring, Bob shot back, "I saw what you guys were doing. I watched everything through the keyhole. It's just not fair to leave me out of the fun."
His brothers approached him, fists clenched, but Bob didn't back down. Meanwhile Gloria had been studying the naked boy. He was just as good-looking as his brothers, blond and tan and muscular, and he had a gorgeous stiff cock. She felt a powerful rush of lust.
"Just a minute, boys," she called out. "Take it easy. We don't have to fight. Just what is it you want, Bob?"
Bob pushed past his brothers and climbed onto the bed next to his beautiful grandmother, his eyes sweeping hungrily over her mature naked body. "I wanted to get in on the fun, Gloria," he mused. "That's only fair, isn't it?"
Gloria smiled and rumpled his sun-bleached hair. "Why, of course, darling," she purred.
She flashed Tim and Rick a look which told them that they had no choice but to admit their younger brother to the party. They scowled, but they didn't say anything. Everybody knew that the secret had to be kept from the boys' parents and that they couldn't risk alienating Bob. Tim and Rick stalked back to the bed and sat on the other side of Gloria.
"He wont even know what to do," Rick said disgustedly.
"Yeah, he hasn't even had a date yet." Tim muttered.
Gloria picked up on their conversation – Bob was a virgin! This was certainly going to be a first for her. She looked at the young boy with renewed interest. Bob was still gawking longingly at her huge melon-shaped tits and her thick triangular, bushy cunt.
"GO ahead, Bob," Gloria purred, "you can touch me if you want."
"Oh, wow," Bob sighed.
His hands shot to her huge heavy tits. He felt them all over, and then began squeezing fistfuls of hot silky flesh. Gloria's big nipples responded quickly, going stiff and pointed. She settled back and let the boy play with her tits, thinking lustily about fucking him. She glanced at his thick five-inch cock and saw that it was leaking bright bubbles of juice.
"So you've never been out with a girl before, dear?" Gloria asked.
"Right," Bob sighed. "Mom and Dad said I was too young."
"You'll have to teach him everything," Rick taunted.
"He's still a virgin," Tim snickered.
Gloria flashed them a look that shut them up, and then she purred, "Well, Bob, it's certainly time you learned about sex. Would you like to learn with me?"
"Oh, man, would I ever," Bob said eagerly. "Can we fuck, Gloria? I'm just dying to know what it's like."
As he spoke, his swollen cock gave a horny lurch and drooled a thick river of cream. Gloria realized that the boy was agonizingly horny and that she'd have to wait till later to teach him all the refinements of lovemaking. There was only one thing he could concentrate on right now, and that was shooting his load.
"Right, dear," she purred, "we can fuck."
"Far out!" Bob cried.
Tim and Rick gritted their teeth and fumed. They saw what Gloria was up to. The sooner Bob got his rocks, the sooner he'd quit pestering everybody. But Tim and Rick had aching hard-ons themselves, and they hated like hell to wait while their baby brother went ahead of them in line. They watched miserably as Gloria spread her legs wide, bent her knees, and displayed her wet red cunt slit to the gawking kid.
"Wow!" Bob exclaimed. "So that's what a pussy looks like?"
"Oh, Jesus," Tim moaned. "Will you just fuck her and get it over with?"
"Yeah, man," Rick growled. "You interrupted us when we were haying our turn, you know."
For the first time since he'd crawled onto the bed, Bob looked in his brothers' direction. "Oh, right," he said a little sheepishly, "sorry about that. I'll try not to take too long."
He really didn't know what he was supposed to do, but he imitated what he'd seen Tim doing through the keyhole. He knelt between Gloria's widely splayed legs and started poking his rigid prick against the hot swollen flesh of her pussy. Somehow it didn't work like it had for Tim. Bob couldn't find the damned hole. He knew his brothers were watching him, and he turned red with embarrassment.
Gloria guessed the boy's problem, and she reached down and folded open the fleshy red lips of her cunt so he could see the tiny recessed hole. Bob didn't waste a second getting into it. He crammed his thick hard cock deep into her juicy little cunt, pushing all the way to his bloated hairless balls. As he plowed into her, his eyes got huge.
"Oh, Jesus!" Bob gasped. "Wow, it's so wet and hot!"
"We don't need a guided tour, man," Tim snapped. "We been there already."
"Yeah, will you for Christ sake get down to business?" Rick added angrily.
Bob wasn't sure just what the business was, but again Gloria came to his rescue. She began jerking her hips in a steady rough fucking motion, and Bob instinctively responded, matching her rhythm with his eager young cock. He crammed his bloated prick in and out of her wet little fuck hole, and she responded with moans of pleasure.
"That's it, Bob," she panted. "Now you're fucking me. Ummmmm, you're fucking me really good."
Bob broke into a big grin. He wasn't a virgin any more. He was actually plowing his stiff cock in a woman's cunt. It was even nicer than he'd imagined, too. Gloria's little pussy was scorching hot, snug, and deliciously juicy. Each time he sank his prick into her, he felt a sharp stab of pleasure. He wished he could go on fucking her all night.
"Ohhhhhh, fuck, it's good," he sighed.
Gloria smiled fondly at him and opened her legs even wider, allowing him to ram his eager young cock right to her wont with each lusty thrust. She could tell right away, that he was going to be a fantastic fuck, just like his brothers. She purred with bliss. Now she had three magnificent boy-cocks at her disposal.
"Ohhhhh, yes, baby, fuck it to me," she moaned. "Fuck me as hard as you want, Bob. You don't have to be gentle."
Bob was too excited to reply. He just groaned in ecstasy and fucked into her like a young stallion, slamming his thick granite-hard prick up and down in the juicy hot pulp of her pussy. With each deep lunge, his balls slapped her soaked slit and his cock made a lewd sucking noise, reaming the thick cream out of her gripping giant.
Tim and Rick had stopped their sarcastic comments. They were busy watching their little brother's first fuck and getting wildly turned on. Bob remained on his knees, so they had a great view of the action. They could watch his thick blue veined cock plunging in and out between the fur fringed lips of Gloria's pussy. His prick was dripping with her helplessly gushing cuntjuice.
"Ahhhhh, yessssss!" Gloria cried. "That's so damned good, honey! Uhhhhh, I love it!"
Tim and Rick exchanged looks of surprise. They knew Gloria wasn't faking her response. No woman could fake that heavy creaming and that body-flush of hot arousal. It seemed that their kid brother was giving her a tremendous fuck, and on his first time out, too. He didn't show any signs of tiring. He just fucked away like a pile driver, his face twisted in a great big grimace of pleasure.
"Awwwwwww," Bob moaned. "Great!"
"Oooooooooo, baby, you're doing it to me," Gloria gasped. "I'M COMING, AAAGGGHHH!"
Her tall body began to rock and buck, and Bob had to throw himself onto her and cling tight to stay in the saddle. He felt her fiery-hot cunt going tight as a vise around his deeply lodged prick, and her big tits were wobbling against his chest like Jell-O. She screeched and convulsed, her spasming cunt drenching his cock with steaming cunt juice.
"IT'S SO GOOD!" she wailed.