Keeping You a Secret — Julie Anne Peters

First time I saw her was in the mirror on my locker door. I'd kicked my swim gear onto the bottom shelf and was reaching to the top for my calc book when she opened her locker across the hall. She had a streaked blond ponytail dangling out the back of her baseball cap....

We slammed our lockers in unison and turned. Her eyes met mine. "Hi," she said, smiling.

My stomach fluttered. "Hi," I answered automatically. She was new. Had to be. I would've noticed her.

She sauntered away, but not before I caught a glimpse of her T-shirt. It said: IMRU?

Am I what?