... or perhaps just fantasy book series, TV show, slash fiction, etc.
A group of friends gets together, has some drinks, and eventually start playing "Hey! Let's hypothetically assign our friends silly superpowers!" (like so). After a few powers are assigned, one friend yells out, "Wait, wait, I've got to write these down! These are great!" and pulls out a recently purchased notebook. Little do they know that the notebook is a magical, mysterious notebook, and anything written down in it comes true. After many superpowers are delegated, the group disperses, the notebook is closed and set aside, and then the magic slowly starts to eek out of the pages.
At first, the friends think there are just a few odd coincidences occurring. In one sure to be classic scene, Chelsea Flowers is absent-mindedly doodling in class when someone sitting behind her whispers in awe, "Wow, Chelsea, you can draw perfect circles." Suspenseful music sets in as Chelsea begins to wonder if maybe she does have those superpowers she and her friends were assigning ...
In a twist of fate that is both unfortunate for the friends and very fortunate for the plot, the notebook is accidentally destroyed in a freak, accidental superpower usage accident. It's not long before the friends are rushing to remember all of the superpowers they assigned and to warn all the recipients of them.
The friends are left with their powers (some more like curses), and set out to live their lives as such. They never stoop to fighting crime or anything — they just live as any average person who just discovered he could will yogurt factories out of business would.
I am most excited about the slash.