It was a dark and stormy night. Dipper held Mabel close as the lightning flashed overhead, and the thunder roared.
"Dipper, we can't. We're siblings," Mabel pleaded, lust clearly on her mind.
"Mabel, that's exactly why we need to do it," Dipper replied. "We have to explore these new feelings of ours and find common ground."

The storm grew louder.
Suddenly, a lightning bolt hit the house and everyone fucking died.

The End