All the characters in this story are older than 18 years.
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After hearing her moan loudly for some time, Mariah had to go to her daughter's bedroom to see with whom is she fucking now. When she got there, she opened the door a little and saw Amy and another girl with a double-ended dildo in their assholes, bouncing off each other. She hasn't seen Amy in action for some time and this really made her horny, so she ran to her bedroom to masturbate. Afterward, Mariah waited for the other girl to go home, put on a bra and panties, and went to her daughter's room. She found her lying on the bed, naked while looking at her phone.
"Hey baby, how are you, did you have fun with your friend?" asked Mariah.
"Hi mom," responded Amy. "Oh it was very fun, we were practicing a little, sorry if we were too loud."
Mariah lay down on the bed and started touching Amy's hair, "It's OK honey, I like hearing you fuck and I know how much you like practicing."
Amy giggled and said, "Well, it's your fault mom, you helped me lose my anal virginity and now I just want to share that experience with my friends."
"That's my girl!" said Mariah. "Now that you have mentioned experiences, I wanted to talk to you about some new ideas I have."
"Hmm, I am very eager to hear what might that be, mommy. I hope it involves you as well," replied Amy while slowly moving fingers across Mom's bra.
Mariah put down her bra and her tits were out for her daughter, "It is about my business friend Eva, who you probably remember since she came to our house a couple of times. I've been working with her for years now and we've gotten close. Recently, she brought up that she is into BDSM stuff, and how she likes to be dominant. That reminded me of the conversation we had about how you would like to try some new things, like that. So, if you are interested, I could invite her over next week. I would like to watch the two of you together. Would you be interested in something like that, baby? "
"Wow mom, you like seeing your friends fuck me!" said Amy while laughing.
Mariah replied, "Mommy just wants to help you fulfill your fantasies baby. I can understand if you need some time to think about this."
"It's OK mom, I think It's cool that you are so supportive of my desires. I have to say, I would never think Eva is into that kind of stuff. Now that I think about it, it seems hot to have her tight me up, spank me, slap me, and fuck me hard. I just hope you will do more than just watching, mommy?" while saying this Amy put her hands onto Mariah's face.
Mariah took the dildo, that her daughter previously used, into her hand, and started looking at it, "Don't worry about that little girl, mommy will be there to spank you a little and help aunt Eva fuck you the way you deserve it. I also have to add, I am proud of you for using these big dildos. You are a real mommy's whore, just how I like it! "
"Thanks, mom, that means a lot to me! If you want you can help me clean it now?" answered Amy as she took the dildo, put it between her moms' tits, and started sucking it.
Mariah took Amy's phone and made a selfie with her daughter swallowing a big dildo between her big breasts, "Let me just send this to Eva then. I see you already follow her on IG. That's it, keep sucking it baby, you know how to make your mom horny. OK, I've sent her the photo, and now I can help you with the cleaning!"
They started sucking the two ends of the dildo while masturbating. It took them only a few minutes to cum since they were both very horny after picturing the upcoming sex session.
A few days later Eva came to their house, and the three women sat down to have some wine.
"I was so happy to get your message. At first, it seemed a little bit strange when Mariah told me how close you guys are. But, after thinking about it, it became such a turn-on for me, to be honest," said Eva.
Amy looked at Eva and said, "It was a turn-on for me when I heard about your experience with dominance and stuff. I mean, mom and I have done different things together but this is something new."
"And my baby always wants to learn more," said Mariah while laughing.
Amy giggled looked Eva in the eyes and asked "More wine, or anything else I can do for you?"
Eva looked Amy back in the eyes and smiled, "Well, I don't need more wine, thank you, but maybe you could get on your knees and show me your ass and pussy, so I could see it before I start to whip it and fuck it together with your mom!"
Amy was hoping for such an answer and she was more than happy to reveal her ass with a butt-plug for the guest.
Eva grabbed the ass and slapped it once, then she turned to Mariah and said, "Thanks for this honey, you are such a good friend!"
"The pleasure is mine also," answered Mariah. "It's time we start with the serious stuff!"
Eva ordered Amy to stay on her knees and the two women started kissing and undressing each other. Once they were in their thongs, Eva got up and dragged Amy by her hair to the bedroom. Mariah tied her daughter's hands, above her head, to the rope coming from the ceiling. She then put a ball gag in her mouth. Eva and she then took the two floggers laying on the bed. Eva started hitting Amy all over her body while Mariah was watching and hearing her girl moan. Eva told Mariah to join her in punishing her little slutty daughter. Although hesitant at first, Mariah joined and started by hitting her girl's ass and back. After a few minutes of hearing Eva yelling and Amy screaming through the ball gag Mariah was horny as never before.
Eva saw this, and tied Amy's arms behind her back and put her on the bed, and had Mariah tie Amy's legs. Then, they made Amy watch them scissoring. Before they came they stood over Amy's head and squirted all over her face while kissing. It was one of the best orgasms Mariah ever had. It was time to satisfy Amy, so Mariah took her to sit between her legs and Eva took a vibrator and put it on Amy's pussy. Mom was more than happy to hold and kiss her girl as she was screaming while having multiple orgasms. Next, it was time to move to Amy's ass. Eva firstly sucked the asshole, and then put on a big strap-on and told Mariah to put another dildo between her tits and make her daughter suck it as in the photo they sent her. Mariah removed the ball gag from her daughter's mouth, took a big dildo, and put it in her pussy before putting it between her big breasts and telling Amy to clean it like a good girl. Amy screamed lauder and lauder which turned her mom on and she had to come again.
"Come on, baby, you need to suck it good or mommy is going to need to slap you," said Mariah as she was pulling Amy's hair.
Amy screamed and said, "Oh, slap me, mom, I've been a bad girl!"
Mariah slapped her daughter a couple of times and immediately started coming. She put her pussy in front of her daughter's mouth and fill it with her cum. Finally, Eva untied Amy and sat on her face while Mariah kissed her neck and breasts. After Eva came, the three women lied in bed for a while.