I'm a firefighter, specifically a lieutenant. I'm a shift supervisor but I still work a standard FF shift (24 on, 48 off). My men look up to me and I take the responsibility as truck lead seriously. I have a dad bod and a beard. I can out squat and deadlift everyone in the department.

I also wear panties every single day. I'm in chastity 2-3 days out of every week. On occasion, I wear diapers. I had been doing everything I could to keep that part of my life out of the firehouse as best I could. But when I threw out all my boxers, I had no choice but to start wearing panties on shift. That was a year ago, but everything had been easy so far.

This morning was the end of my shift. Yesterday was quiet, we mostly just hung out at the firehouse and I got a lot of paperwork done. Most of the day was spent in my uniform pants with my shirt tucked in. This meant that nobody could see the neon blue thong cupping my little dick. This was my normal and life was good.

I turned in at around 10pm. As a supervisor, I get a private room as opposed to the bunk beds for the regular guys. I locked the door like I usually do, undressed and fell asleep in a tank top and my blue thong.

7am rolls around, time for shift change. I'm usually good about waking up by 5 so I can shower and get back to my room without anyone seeing me. But this morning I slept through my alarm.

I awoke to the lieutenant of the next shift unlocking the door and walking in.

"Hey Alex. You okay?"

I sat up and looked at my watch. I was still exhausted but I managed to see that it was 7:45.

"Yeah man, I'm good. Just got a slow start this morning."

He started to ask me some more questions but I wasn't listening. Without thinking, I got out of bed and bent over to put some shorts on. He stopped talking and I froze. I immediately came to my senses. He had a full view of my neon blue thong riding up my ass. I quickly pulled the shorts up and turned to look at him.

He was smirking, I was scarlet.

"Those are cute. My girlfriend has a pair just like them."

I didn't say anything in response, just kept looking at the ground.

"Don't worry. Your secret's safe with me."

With that, he closed the door and I finished getting ready. I quickly left the station, got home and rubbed myself raw thinking about that scene. I'm not attracted to him, but just the feeling of humiliation from him seeing me like that is making me drip.

I'm terrified that he's going to tell everyone, but I'm even more turned on thinking about it.

I will share more in a few days after my next shift. What color should I wear then?