This is the 6th story in the series. While not required, I do recommend reading them in order.
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It had been a couple of weeks since Lisa treated me to that threesome. The more I thought about it, the more I enjoyed it. Now, I was looking forward to the next one. Mistress said it would be two girls this time rather than with another guy. I couldn't wait for our next session. In the mean time, she had been texting me and sending me pictures to jerk off with. A few days ago, she texted me and told me that I wasn't permitted to cum until she was with me. In the same text, she instructed me to still edge myself every night using the pictures she'd sent to me. Last night was no exception. I had actually played with myself for nearly an hour and completely soaked my boxers while starting at her picture. She's my mothers age, average build with nice breasts. The latest picture was of her topless, showing her hard nipples and clean shaven armpits. I was so turned on that it was actually difficult to sleep. My only hope is that I'd be requested for more chores soon.
"Come on down, breakfast is ready." My mom yelled to me. I was starving and this helped to keep my mind off of Lisa. Barely.
As I was eating moms freshly made sausage gravy and biscuits, she mentioned having talked to Lisa this morning.
"I know you probably had plans but Lisa asked if you could go help her with another issue today. She told me that you've been doing great work over there and that she didn't want to bother you again. She knows that you have other things you'd rather be doing but could you go over there again today?" Mother begged.
"Sure." I replied. Truth was, I've been looking forward to this for nearly two weeks. Hopefully this time was my turn to get a threesome they way she promised.
"Great. I'll run you over because I have some errands to run anyway. Lisa said that she needed help with putting together some new furniture. It shouldn't take long and I don't have much running to do." Mom said.
That made me a bit nervous knowing how my last encounters have played out. I'm sure Lisa would have a plan if mom wasn't going to take long enough shopping, or whatever she had to do.
Later, mom was ready to leave and I hurried up to get to the car. "Do you need any tools? I'd get some from the garage if I were you. I'm not sure Lisa has any." Mom mentioned.
I went back into that garage to gather some tools that I knew I wouldn't need.
On the way over, I had to do everything I could to not think about mistress. The last thing I needed was to have a raging hard-on with my mom sitting next to me.
As we pulled up to Lisa's house, mom yelled out to her and asked if it be alright to hang out a bit after she got done with her errands.
"Sure! We can watch this young man struggle with his chores while we have some wine!" She laughed.
"It's a date then! Haha." Mom laughed.
As I walked up to Mistress's porch, she told me, "the furniture I need help with is in my room."
I got really excited and tried to not show it. The thought of another woman already in her room waiting on the threesome she promised was nearly more than I could handle.
Once I got to mistress's room, I saw that there was indeed furniture to be assembled. A shelving unit to be exact. Honestly, I was a bit saddened to see that there was actually work to do. I decided that I had better get to working on it. Everything was almost unboxed when mistress walked in wearing only a lacy set of lingerie. Mistress Lisa is my mother's age, average build with decently sized breasts. 36C if we are bing picky on details. She had some slight stretch marks on her but Lisa made it look good.
"Build the rest of that naked. My other guest will be here soon." Mistress said.
I quickly took off my clothes. Focusing on building the shelf was proving to be difficult. Mistress walked over to me as I was trying to assemble the main frame of the shelf and stood right in my line of sight. Lisa raised her arms up and placed her hands behind her head, "I like that you have a fetish for my armpits. Today, you'll have another woman's to worship as well." Mistress lowered her arms and ran her hand across her pussy, letting her fingers trace her slit as she pulled her hand back to her chest. "You'll have another woman to taste also. You'll be cuming twice." She said with a devious grin. "You'd better get that together." She said as she walked away pointing at the shelf.
A bit later, I was fumbling through the last part of the shelf when she came up behind me and wrapped her arms around me.
"Are you ready yet? She's here." Lisa stated. Mistress ran her hand down my chest, over my stomach and to my dick. "Mmm. Yeah, you're ready. Have you listened to me and refrained from cumming?"
"Yes mistress." I replied
"Good. I need you to be able to cum twice.. and cum a lot. Now get on my bed!" She demanded. "I'm going to tie you down so I can do as I please."
I got on her bed and she promptly tied my hands to the headboard and my feet to the footboard. It seemed a rather basic position really. Either way, I couldn't wipe the smile from my face.
"I'm going to blind fold you for the start.. I want to play a little game." Mistress said as she placed a blind fold over my eyes. "Come on in, my guest. You must not speak until I give you permission."
I heard the door open and someone walk in. My heart was racing. "First, you're going to smell our panties and see if you can tell me from her. Here's your first pair." She said as I felt her place them on my face. They were still warm. I inhaled and realized this was a slightly different aroma than I expected. "And here's pair number 2" mistress said as she placed the next pair on my face. As I smelled this pair, it didn't seem right either.
"Who's is who's?" Mistress asked.
