(Author's Note: This is kind of similar to the "Slowly Swapping" story, but instead of two people swapping with each other, the whole of reality is slowly changing in some way, and Jon and a few others will be aware of the change.)
At first, Jon didn't notice anything different, and it stayed that way all the way into his second period class (Trigonometry), but then he began to definitely notice that something was different. But he wasn't the only one. Other people who noticed were ...
