Obsession with mom’s ass in panties

My name is Mario, I’m 19 years old, and this fascination with watching my mom started about a year ago. She’s 5’5″, has fair skin, black eyes, and long black hair. She has large breasts, a C cup, and an amazing ass—wow! When she turns to the side, you can see those huge, firm buttocks that really stick out. There are four of us living at home: my dad, my mom, and my younger brother, who’s only four. My mom is a very kind and hardworking person. Even though she’s a stay-at-home mom, she works Monday through Friday.

As usual, she does the general cleaning on Saturdays and Sundays—you know, sweeping, mopping, cleaning windows, etc. I often help her, since my dad works half a day or a full day on Saturdays. This started on Saturday, November 4th; I remember it well. To do the cleaning, she wears old clothes: a black t-shirt and very loose navy blue sweatpants, so she’s comfortable. Sometimes I joke that it’s her work uniform, and she laughs and tells me to help her.

That Saturday the 4th, her cleaning clothes were dirty because a week before, while cleaning and painting the front door, she had spilled paint thinner on them and hadn’t had time to wash them during the week. She told me this, to which I replied, “Don’t you have anything old like that to wear, or do you want me to lend you something?” She said, “I might have something around here.” She went to look through her clothes, and the oldest thing she found was a half-skirt, one of those puffy skirts that came a little above her knee, and a faded orange blouse. Then she said, “This will do. After all, I just have to dust and clean the windows today.” I looked at her and said, “Oh yeah, Mom, I’m going out with Juan. We’re going downtown.” She said, “No, you’re going to help me so we can finish quickly. I still have to make lunch and take your little brother to the pediatrician.”

I got stubborn and angry, and I said to her, “I’ll help you for a while and then I’ll leave.” She said, “Okay, go to the bathroom and get a bucket of water, put cleaner in it, and get the mop. We’re going to clean under the beds.” I said yes, went to the bathroom feeling both angry and resigned, prepared the bucket of water, and grabbed the mop. I went to the living room, but she wasn’t there anymore. So I yelled, “Where are you?” She told me, “Here in my room.” I went upstairs, and as I was about to enter the room, I said, “Here’s the mop.”

Imagine my surprise when I saw my mom pulling her shoes out from under the bed. She was bent over, her big ass sticking out so much you could see her panties—yellow panties with lace trim, really cute, those shiny ones. I couldn’t believe it. I went over and said, “Let me help you,” while staring at that ass about eight inches from my face. She told me to wait. I had a huge urge to spank her, to kiss her, to put my face between her legs, to pull down her panties and just let it all fall out without saying a word, and come inside her. Then she got up and told me to mop under the bed and then we’d continue with your room.

At that moment I had such a strong erection that I sat on the bed to hide it, to the point that I didn’t know what to say. She told me, “If you’re going to do things angry, it’s better not to help me,” because she didn’t know the tremendous fuck I had given her in my mind. I told her, “It’s not that, but okay, let me finish and I’ll let you know.” I mopped the floor, I don’t know how the hell, in about 2 minutes or less, just to go to my room and see her bent over once more. I called her and told her I was done. She saw the floor and said, “Okay, let’s go to your room.”

When we got to the room, she told me, “Take off your shoes and mop.” I was disappointed, but I was so horny that I said, “No, no, I said I’d help you, not that I’d do everything myself.” She said, “Look, kid, it’s your room and I’m your mother. You obey or you don’t get out.” In my mind, I was just thinking, “She’s your mother with a great ass and delicious panties.” I calmed down and said, “Okay, sorry, but we’ll do it like it’s your room, okay? I’m helping you now.” She said, “Okay, pass me the broom, I’ll take off your shoes, and you clean.” Like lightning, I went for the broom and my phone. She bent down, and I took pictures and a video of that amazing ass. I got the camera so close that I even filmed some of her pubic hair. While she was still struggling with her shoes, and since I was so horny, I bent down and said, “I’ll help you.” She said yes, but before she could stand up, I rubbed my hard cock against her. ass, immediately said “what’s wrong with you”, I said “hurry up so I can finish quickly and go with Juan” even though I gave him a tremendous ass and I pretended to be offended.

By this point I had finished eating and went to put my things in the bathroom. I took the opportunity to watch the video and give myself a massive wank. I was only thinking about that ass. Just when I thought it couldn’t get any better, she said, “Let’s go to the windows, clean them, and then you can leave.” By then I had gone over and put my arm around my mom’s shoulder and said, “Juan already canceled on me, I’m staying here to help you.” In my mind I was thinking, “Thanks for the amazing load you gave me, and for that piece of ass I have to carry.” She said, “What was all the drama about? Well, you’ll be out tomorrow, so help me out, go up the stairs and we’ll clean this up.”

I went up the stairs and stopped her. She said, “I’m wearing a skirt, so you’ll do this.” I said, “Hey, Mom, I didn’t go out with Juan because I was late. You told me to help you, not do everything myself. Besides, do you think I’m going to be watching or something? Come on! If you want, I can look the other way or down, whatever you want.” While in my mind I wanted to pull her panties aside and come inside her pussy, she said, “Okay, but be careful you don’t turn around. I’m not wearing leggings or anything underneath.” To which I said, “Thanks for ruining my imagination. In fact, if you want, go get some and you’ll be sure.” She said, “I trust you, brat.” And I was thinking, “Just give me a chance and I’m going to fuck your ass and your pussy, my dear mommy.”

She climbed the ladder, and I made small talk to her about anything to distract her and keep her from looking down. Of course, when she climbed up, I saw her panties in all their glory. They had a flower print on the front, and to top it off, they’d ridden up her ass so high it looked like one of those tiny thongs. I couldn’t believe what I was seeing; I got a massive erection, even though I’d just jerked off 30 minutes before. After that window, I told her to wait while I got a glass of water. I went to the bathroom to jerk off again and came so hard I’d make her pregnant if I came inside her. The other two windows were the same; I saw all those delicious panties, from top to bottom, front and back. Her ass was just inches from my face, and I smelled everything I could.

That day I bought about four more tickets; it was the best day of my life up to that point because, as I told you, that day marked the beginning of my obsession with my mom, her big ass, and her panties.

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