He Pees and heads to change

After feeling relieved, Adam heads towards his locker. As he is walking, he passes Nick who had already changed and was walking towards the pool. Nick was grinning and trying not to laugh as he passed Adam. Adam thought it was weird and was wondering what was up. As he got back to his locker, he figured it out. His locker was open and instead of his swim trunks and bag, there was...