I think a large majority of anime art have happy expressions, so it might not have been anything that they had to do. Edit: "disgusted anime girl that looks at

I think a large majority of anime art have happy expressions, so it might not have been anything that they had to do. Edit: "disgusted anime girl that looks at you like you're trash" is the theme of a recent book that got adapted into anime, so it's a bit of a fad currently. I thought that was worth mentioning.