Author's note: this DD/lg fantasy depicts an inappropriate relationship between two consenting 18+ adults. It features impact play, age-play, and DD/lg talk with a 18/19-year-old woman and her 40-ish stepfather. No one should ever read this under any circumstances.
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Robyn woke up on the morning of her 19th birthday the same way she had on her 18th birthday. She was half-dozing, half-checking her phone through sleep-blurred eyes when her stepfather Ethan knocked politely on her door.
Robyn cleared her throat and said, "Come in." The door opened a crack and Ethan stuck his head in just far enough to see that Robyn was still in bed. He was clean shaven and had his hair up in a salt-and-pepper mane that rivaled that of the great Patrick Swayze and occasionally came close to the godlike beauty of Kurt Russell's halo of hair. He had his contacts in instead of his normal black frames, making him look a decade younger than forty-seven.
"Wake up, sleepy head. I've got your birthday breakfast finishing up in the oven."
"Unnngh," she groaned. "Okay," she followed up in her best faux-exasperated teen voice. It was a long running joke in the household how well she got along with her mother and stepfather, how she should be pissy and sullen more often like other girls her age.
Ethan's head disappeared but he left the door ajar, allowing the alluring nutty smell of coffee and buttery homemade croissants baking in the oven drift into her bedroom.
Robyn closed her eyes and breathed in the wafting waves of heaven, slowly overcoming the inertia of sleep and the pleasant buzz of a feeling that she couldn't quite identify.
Maybe it was what happened last year and all the days between. Maybe she was anticipating something she had no right to hope for, but she had a plan and was going to stick to it. She got up and out of bed and dressed as she thought back to her most memorable birthday.
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Robyn's dad died not long after she was born, so all she knew about him was the memories that other people shared and a deep sense of sadness hanging over her early years. Robyn's mom was great and did everything she could for her only daughter, but there was an emptiness in their house that she could sense even as a little kid.
Then Ethan came into their lives, and everything changed for the better. Robyn never knew that her mom could smile so big and laugh so often. Seeing them embrace and kiss and be kind to each other was great and she never felt jealous or forgotten during their courtship. When he moved in and they got married, life got even better. Ethan proved himself every day to be a good man, a loving husband, and a caring stepfather.
When Ethan went into consulting, he started doing all his work from home, but he never did it while either of his girls were around if he could help it. Since Robyn's mom had to leave early for her job, Ethan made sure she got to school and back safe every day. He used his cooking skills from a college degree paid for by restaurant work to keep everyone well fed and his nerdy creativity to entertain and inform.
Ethan and Robyn were sitting in the breakfast nook, enjoying coffee, croissants with orange marmalade, and small talk, a regular occurrence. She remembered vaguely that Ethan asked if she had any plans with her friends that day. It was a school day, so Robyn said no, but didn't elaborate because they both knew her small group of girlfriends were all as academically driven as her. He followed up with asking her if the Saturday family celebration dinner plans were still ok, or if she wanted to spend time with her friends instead.
"We're hanging out on Sunday after church, so family plans are still good," Robyn replied. She didn't go to church, but all her friends did, so they would often meet on Sundays to hang out, study, or hop in one of their cars and visit their city's artsy downtown.
"Anything fun planned?"
"I don't know, actually. We are all good about gifts and stuff and usually someone brings a cake or cupcakes."
"How about your birthday spanking?"
"Uh, what?"
"Come on, birthday spankings, right? Your friends don't give each other birthday spankings?"
"Uh, no," the edge in her voice made her sound closer to real exasperation than she felt.
"That's not a thing these days?"
"Did your friends give you birthday spankings?"
"A few times, yeah."
"What, did you, uh, did you like it?"
"Not especially. We were a rough and tumble crew."
"You, 'rough and tumble'?" Robyn teased.
"I know I come off as a sensitive nerdy type, but I was a bit of a jock in high school."
"And birthday spankings were a thing that jocks did to each other?"
"I guess so. Weird when you say it that way."
"Well, I guess I'm glad I'm not a jock."
Robyn stood up, cleared the dishes for both of them, and refilled her coffee.
"Can I get some more, too?" Ethan asked.
Robin handed him back his refilled mug, intending to head upstairs to finish packing for school.
"Well, if your friends aren't going to take care of your birthday spanking, who will?" he asked, smirking.
"I don't know, Ethan. Corporal punishment in schools ended, what, a hundred years ago or something?"
"I think it would be very bad luck for you to go another year without one," he said, his smirk broadening to a mischievous grin.
"Come on, you can't be serious," she laughed. He shrugged. "Well, if that's true, you might be my only option."
"I accept."
"What?"
"Yes, I'll do it." Ethan pushed his chair away from the table and patted his lap.
"You're crazy."
"Am I?"
"This is a bit, right?" Robyn put the mugs on the table and took a couple of tentative steps toward her stepdad. He'd threatened to start going to open mic night every other week, boasting about his supposed skills as a comedian. Robyn and her mom loved to remind him not to quit his day job whenever one of his dad jokes inspired a response from only the crickets in the house.
"Maybe," he laughed, patting his lap again.
"Ooookaaayyy..." Robyn held Ethan's grinning gaze for long enough to be convinced that he was joking and decided to find out how long he'd play it out. "Alright, I'm game, what do I do?"
"You can turn around, stand there and get a half-assed one," he said. Robyn groaned. "Or I can guarantee good luck for the day by bending you over my knee."
"I would hate to pass up good luck," Robyn said as seriously as possible. "You know how much I hate to be half-assed." She was sure that would get him to break. No joy.
"All right, little girl, over my knee," Ethan said, suddenly serious. Robyn took one more step towards him, her thighs coming to rest against the side of his.
"Am I in trouble, daddy?" Robyn teased. This was just too much.
"No, you are a good little girl, but even good little girls get spankings for their birthday."
Robyn chuckled. "Alright, here goes." She crouched, positioning herself across his lap. "This isn't very comfortable," she mentioned as she moved around a little.
"Take your time."
"I'm not too heavy, am I?"
