This story has been requested by jxjavier. You can ask for any you want in the comments of my story "The First Time...".

I don't know what it is about married people that makes their submissives wear lingerie, but I go along with it. They like it even though I’m not very feminine. I don’t complain. Thanks to them, I have a good amount of thongs and stockings without having spent a euro.

Today's story takes place after a session with a married guy. He had gifted me a red cotton thong for everyday use. It wasn't very glamorous, but it worked. After our time at his hotel, we got dressed and left. I had gone with no underwear at his request, so I kept the thong on. The session ended in the garage with a blowjob before getting going and he drove me to the center. It was morning, and I was going to take the opportunity to do some shopping.

I had already been to a couple of stores, and it was time for clothing. While I was in the fitting room, I undressed and sent him a photo against the mirror showing the thong. He replied almost immediately, calling me a cocktease and saying my punishment was to leave the curtain slightly open so that anyone passing by could see how much of a slut I was. I obeyed and opened it ten centimeters. That was more than enough.

While I was trying on various things, I heard the sound of a mobile phone taking a picture from the adjacent fitting room. I got nervous but didn't mind too much because I was sure from outside only my butt could be seen. I continued trying things on, and people were coming and going. Soon, I heard a girl’s voice from the same fitting room saying, "It's true; it's a girl’s thong." She laughed and added, "Well, it makes a nice butt." In a moment, I went from the embarrassment of being seen to the pride of receiving a compliment.

When I left, I saw that in the fitting room there was a guy and a girl. He was trying on clothes and she was watching. He was the one who had taken the photo. He didn't notice my presence. She looked at me with a joking face, full of complicity and a bit of lust. Her boyfriend wasn't as good-looking as me, and I’m sure some lewd thoughts crossed her mind.

When I told the married guy about it, he found it very funny and said I deserved it and that I should be grateful for having received compliments during a punishment. After that experience, he became fond of exhibiting me in a controlled way.

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