Plugged at school (back to Johnny)

I head off to school feeling weird. The pressure from the hard, foreign object inside my ass is really disturbing me. It feels weird when I walk, and I can feel it when I sit down.

Throughout classes, I keep shifting on my seat. Sometimes in hope I won't feel the plug as much, sometimes because I want to feel it, as it turns out, it's reminding me of what Sumi did to me and how much I came from that.

At some point in the day, I really have to go to the restroom. So I go there, head for a stall and take out the plug. But as I'm pushing it back inside of me, I accidently press something on the plug, making it start vibrating right as it is sliding back in (with some lube, of course).

The now vibrating plug is hitting and stimulating my prostate, forcing me to stifle a moan. I get the plug back out as fast as I can and quickly manage to shut it off. Now more careful about the power button, I slide the plug back in.

At this point I'd like to put my pants back on, but I can see and feel my cock is now hard from that. I debate for a while.. should I jerk off? But not only can I hear someone else is in the stall next to me, but I also want to save myself for Sumi...

I try to remember the stuff from my previous class, in hope to calm down my raging boner. Thankfully it works, and I can safely leave the restroom, if not for the fact that right as I walk out of my stall, the next stall's occupant also leave. Mr Smith, my gym teacher walks out of it. He looks at me questioningly, before asking:

"You okay there Johnny? I heard some strange noises in there."

I don't need a mirror to know I'm flushing furiously. I say meekly "I'm fine... it was my phone... the vibration I mean" before rushing out. It's only once I'm far away from the restroom that I realize how dumb of an answer that was.

Thankfully for me, the rest of the day is uneventful and I can get out of there, and back to Sumi, without any problem.