Prompt: 10 - How to defend yourself with nothing but an umbrella

Fandom: Stargate SG-1
Title: Umbreller
Author: tresa_cho
Rating: PG on account of curses
Summary: A rainy day, a rainy planet. How to defend yourself amongst friends.

Ooh this was longer than I expected. :D Enjoy!

( I regret that you have come at the height of our wet season... )