A note about this story: As with previous stories in the series Isabella Plays, there is both weirdly wholesome and romantic (yet perverted) incest AND fairly severe spanking in this story. If you do not want to read stories where parents are both fucking and spanking their adult daughter, please be warned!
And as always everything in this story is fiction and is intended to stay that way.
Isabella came home from school one day with her friend Claire in tow. The two girls in their cute school uniforms giggled as Isabella, grasping Claire's hand, eagerly pulled her up the stairs. "Canclairestayoverplease?" she asked, in a nod to decorum. Dan laughed from his seat in the living room, "Sure!" and with that the two girls were almost immediately behind Isabella's closed door, giggling even more loudly, then quieting down.
Anne came home, the husband and wife made a simple dinner and called up the stairs, "Girls, there's food available!"
The two girls yelled out from behind the door, grins in their voices, "Thaaank youuuu" and didn't come down. In fact Dan and his wife had a very peaceful evening--they didn't hear a peep from the girls the entire night.
As always, they left the dishes for Isabella to finish, of course.
---
The next morning the girls came down at nearly the last minute to catch the bus, ready to burst out the door. "ByeIloveyou!" Isabella yelled when her mom called out. "Wait, there's something we need to talk about."
Isabella stopped and slowly turned around. "Oh no." Claire turned to her friend, "What's wrong?"
Her mom grinned. "Well, Isabella has literally one job to do around here."
Dan came out of the bathroom in the middle of this sentence and realized what was happening. "And she didn't do it?
Isabella was staring at them, mouth open, mortified.
"Nope, she didn't!"
Dan said carefully, "I guess she owes us... something... when she gets back from school?"
Mom laughed and winked at him. "Owe she owes us something right now!"
"Mommy!" Isabella cried. "I'm going to be late for the bus!"
"I can take you to school," her mom said in a satisfied, final businesslike manner. "Claire, you're free to go."
Claire stumbled. "What... are you going to... what's going to happen?"
Anne paused for a second, and Isabella went ahead and just said it. "They're going to spank me."
"Oh!" Claire's head jerked back a bit, her eyes opened.
"Oh!" she said again. Then she turned to Anne, "Mrs. Foster, it's completely my fault Isabella forgot last night. I kept distracting her."
Isabella blushed, Dan noticed.
"Please don't punish her. I promise it won't happen again."
Dan stared at Isabella's blushing face and chest as he said, "Isabella is responsible for her own actions, Claire. You don't want to miss the bus do you?"
Claire started to turn, and Dan could see Isabella stiffen. Even he had to admit he and Anne were putting her into a really embarrassing situation, not to mention the incoming pain she was about to experience. He wondered whether she might refuse to fuck them for a while.
Claire stopped now, and said, at first not looking at anyone, "Since it was my fault, I can--I can take the punishment instead?"
---
Three heads swiveled towards Claire.
Dan broke the momentary silence. "Your parents are responsible for punishing you, not us. If you broke a rule they have for you that's between you and them."
"I know, and they do have a rule, that I'm supposed to follow the rules at other people's houses and not make trouble. And well, I..."
Claire blushed now. "I made trouble."
Did the two girls now suddenly hide half a smile? Dan couldn't quite tell.
Anne said, clearly stressed by this strange turn of events as Dan could tell by the slight quiver in her voice. "Well, Claire, then your parents will have to punish you for that if they think that's appropriate. Today we're going to be spanking Isabella. You've already missed the bus so I guess you'll stay here and um, watch, and then I will take you girls to school."
"But..." Claire was really going for this. "But that's my dad's rule. If I make trouble at someone else's house, then they punish me like I'm one of their own daughters."
Isabella didn't turn to look at Claire but did quietly reach her hand out towards Claire's. She squeezed it, and held it.
Dan spoke, "Well, I guess I can see the logic of it, but that's not really how we do things..."
Anne broke in. "Dan, can I speak with you for a second?"
The two girls glanced sidelong at each other. Dan glanced sidelong at his wife. "Y-yes?"
"You two girls stay where you are," said Anne. "I don't want your feet to move an inch, do you understand?"
"Yes ma'am."
Anne turned towards the patio, Dan trailing behind her--then paused, and turned. "Actually girls, I want you to wait for us the way we make Isabella wait while we're deciding how much of a punishment she deserves. Both of you, on your knees, please, standing straight and erect with your arms behind your back."
Isabella was starting to sniffle a little, but from both girls came the "Yes ma'am" and they knelt.
---
On the patio, they discussed the matter. Dan couldn't believe it was even a discussion. "We can't hit someone else's daughter! We barely admit to anyone we hit our own! Spanking is... people think it's... you know...?"
"Oh Dan, after what you just heard from Claire do you think her parents would hesitate to spank her? And she volunteered after she already knew it was going to be a spanking."
A sputter, a start, and then Dan continued, "I honestly can't believe you're even thinking about this. Is it right to spank one girl because of something the other girl did?"
"Well according to Claire that's what we'd be doing if we spanked Isabella!"
"Anne! Seriously?"
"I WANT TO."
She said it.
"Okay? Dan? I'm just going to say it. I want to spank Claire."