Go to the female changing rooms and strip to just a towel

From Create Your Own Story

You scurry into the female changing rooms, your high heals clacking on the tiled floor. A couple of young students in swimsuits look up and stare quizzically at you. Nothing is said so you hide around a corner, strip naked, put your clothes in the rucksack and shove it in a locker, then take a 30 second shower; just enough to get your hair wet so you look the part.

The towel isn't quite as big as you'd hoped. Once wrapped around you, a lot of cleavage has to be displayed to avoid showing more 'downstairs' than you're comfortable with.

You dash out into the corridor and straight into the male changing rooms.

There's a guy facing away from you with a bare bum, pulling off a sweaty tee shirt. In the distance you can hear a shower running.

You:

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