For a 'chalant fanfic' based on a movie franchise, it could be like this. The main characters, who are usually out saving the galaxy, are instead at home. They are having a movie night, arguing about which movie to watch, and making popcorn. There's no alien invasion or world - saving mission, just a laid - back evening among friends. This kind of fanfic gives a different perspective on the characters, showing their more normal, non - heroic sides.
Sure. Let's say it's a fanfic for a fantasy book series. In a normal fanfic, there might be battles against dark forces. But in a 'chalant fanfic', the characters could be in a peaceful part of their world. They are trading stories around a campfire, not worrying about any impending doom. The focus is on the calm moment, the friendly banter, and the simple pleasure of sharing time together.