Everyone in this story is over the age of 18
Justin returns to the massage table and cleans up the room. He scoops up the sheets off the massage table and carries them to the laundry room to wash them. He'll need to buy more sheets for his new career, he thinks, as he fills the machine with the sheets. As he is pushing them in, he notices that the bottom sheet is very wet in the spot Sarah's bum was on. He raises it cautiously to his nose and takes a sniff. He can smell his sister's arousal, and a tingle runs up his back. He licks the wetness on the sheet in hopes of tasing Sarah's juices. Unfortunately, there is insufficient juice to taste. He imagines what it would be like to taste his sister's pussy at the source. Damn it, the boner is back.
Justin quickly finishes getting the sheets in the washer and starts the machine. He returns to the recreation room and puts the table away and sits down in front of the TV, hoping to quell his ardour.
Marsha gets home from work minutes later, sticking her head in the room and says, "Hi Justin, how was your day?" She hangs up her coat and plops herself down on the couch beside Justin.
"Oh, my day was good, thanks. I got home and took a shower and got everything ready for Sarah's massage. We just finished about an hour ago," replied Justin. "How was your day, mom?"
Marsha smiled and said, "It was excellent, Justin, the meeting went well, and the contract is being drawn up, and we'll sign later tomorrow afternoon. I've got the listing!"
Justin was thrilled with his mom's news, she was working hard to get this deal, and he knows how much it's worth to her. "Congratulations, mom! I'm so happy for you, you definitely deserve it."
"I'm going to need that massage tomorrow, buddy, don't forget me."
"No worries, mom, I'll have everything ready for you tomorrow evening. Maybe you should get a bottle of champagne to celebrate?"
"That's a wonderful idea, Justin! It'll be an evening at the spa. I'm going to go up and check on your sister and get her take on your massage skills." At that, Justin swallowed and hoped that Sarah would have only good things to say.
Marsha stood at Sarah's door and knocked softly. Sarah responded with, "Come in." Marsha opened the door and walked in. Sarah was lounging on her bed with her laptop, and closed it as her mom entered.
"Hi Sarah, I wanted to ask how your massage was and let you know I got the contract for the developer's listing."
"Oh, mom, that's fantastic news. Congratulations to you, you deserve it. My massage was excellent, Justin has a lot of skill, or magic hands. I feel totally relaxed and somewhat drained." The drained part probably had nothing to do with the massage, she thought. She was still feeling mortified at being so turned on by her brother.
"Good, I was hoping I wouldn't suffer tomorrow, but it sounds like I will be having an evening at the spa."
"No, you certainly won't suffer, mom, I'm sure you'll enjoy it very much." Sarah said as she thought of how her mother would respond to Justin's hands.
As Sarah's mother left the room, Sarah opened her laptop and she resumed her search on the internet about feeling aroused by your sibling. Sarah doesn't really find any suitable answers, so she closes the browser and deletes her history. She puts her laptop away and gets ready for bed. Sarah has to work tomorrow and needs her sleep. She wonders about things she read online, some feel that incest is wrong, both legally and morally, while others don't find it morally wrong, so they hide their relationships from the public. At least she's not alone. She is conflicted by her thoughts and feelings, especially since she's still feeling moist between the legs from thinking about it all evening. She closes her eyes and drifts off to a dream filled sleep.
**************
The next day, Marsha is ready to leave for work and says goodbye to Justin, who is also getting ready to leave for school. Sarah has left already because her 12-hour day started an hour ago. Marsh reminds Justin that she'll be expecting his massage tonight after dinner. Justin replies, "Of course I remember mom, I'll be sure to be ready to rub you the right way," with a grin.
Justin arrives home after his classes and clinical around 4:15 and has a quick shower and puts on his relaxed clothing for massage. But first, he's going to prep some things for dinner, so mom doesn't have to do it all.
Marsha arrives at 5:30 and finds everything ready to go, veggies chopped and chicken seasoned. "Justin, it seems there is little for me to do! Thank you, sweetie," she says as Justin walks into the kitchen.
"You're welcome, mom. I know how hard you have worked over the years, and I want to pitch in and help. You shouldn't have to do everything yourself, right?"
"Well, I'll drop this stuff in my home office and get started," says Marsha.
Marsha, cooks the food that Justin prepared for them and they both sit down for dinner. Conversation is light and cheerful as they enjoy the great meal Marsha cooked. Marsha tells Justin that if he clears the table after dinner, she'll go take a quick shower and be ready for her massage when he's finished cleaning up. Justin agrees with her time-saving request and when they're finished eating, Marsha goes to her bedroom and Justin spends a few minutes cleaning up the table and putting dishes in the dishwasher.