Ponyville suffers from constant monster attacks. Every time one comes though town, something gets destroyed. Twilight's brilliant plan to help the town rebuild is to summon a builder. But not just any builder, the greatest builder to ever have existed. If only Twilight knew the strings that come attached with that.
This story is a what if Twilight summoned your average Rust character. Insane, annoying, does erratic things that somehow have a purpose, thoughtful, mean, etc. Basically all the traits one might come across someone in Rust.
For people who have never played rust here's a videos to get you and idea of what the rust community is like:
Story Insperation- https://youtube.com/watch?v=Ki5cvEPu_e0