Was on a late-night walk to the convenience store. Diapered, as usual.
Really suddenly needed to mess. Not sure why. Possibly a food reaction. The convenience store was at the sea side and was therefore in sight of an amenities block (containing public showers and toilets). What I didn't know at this point was that the amenities block served a car park that was used as a rent-free caravan park by maybe a dozen people - a little settlement.
Instead of going to the convenience store, I bolted for the amenities block thinking I'd make it. I didn't - I had a fairly big and painful accident about three feet from the door.
Anyway I went to the showers, instead of to the toilet as I'd originally planned, and just as I was standing there, someone came up and knocked on my cubicle door. The shower cubicle doors were floor-to-ceiling so he couldn't see me, but then he tried to open the lock from the outside (using the screwdriver override) and I was like, uh, excuse me? And he was awkwardly apologetic but then he kept going a short way out of the block and coming in for about 15 minutes, and I was just standing there continuing to uncontrollably fill my diaper and hoping not to make too much noise doing so.
He didn't seem like a serial killer or anything - he was talking with a couple of ladies outside, quite loudly even though it was 1am - I suppose they were a decent way from the nearest houses. The dude clearly just wanted to have a shower - although there was another shower cubicle there so I couldn't understand why he didn't use that. Anyway it was just not a pleasant feeling standing there in just a diaper that I couldn't get out of, having someone impatiently waiting on me.