Go work out

You remember from the school handbook that there is free gym every day. You file out of the main hall along with the girls, and follow the signs on the wall to the gym.

In front of the gym, a sign points to the locker room. It says nothing about "Boys" or "Girls", so you shrug and head in.

The locker room is empty. You find your locker and begin to change. As you do, you think of all the possibilities in this school for you. As you recall Doe, the sexy blonde who pinched you, your dick starts to make a tent in your boxers...

"Hello?"

You whirl around, surprised that someone else is in the locker room. A short brunette, with wavy hair and small tits, walks around the corner by the lockers, and sees you.

"Sorry, I didn't know anyone was in here- um-"

You see her eyes flick to your crotch and widen. You hurriedly try to cover it up, but it's too late. You grimace and look back to her, expecting to see horror on her face, but instead, she looks curious, cocking her head to the side.

"Is that your- uh- penis? I mean, I've never seen one before, and some of the other girls say that they get bigger- I mean, when they're gonna- uh-"

She blushes and looks around as if trying to change the subject. You remember that some girls have been here since before middle school. They've obviously been very sheltered.

"Sorry, my name's Mary," the girl says. "I was wondering if- if it's okay with you-"