Meme face masks? That's not something you see very often over here. However, the artist is Taiwanese... In other news, Kokoro is getting ALL the loving.
My rule of thumb about non-japanese artists is that japanese artists seldom make anything from a non-native PC game, barring games games like Minecraft that already have a worldwide appeal. Now, extend that to memetic images...
I don't know if it's just me, but Reimu's face for some odd reason is just plain unsettling. It's as if she's saying "Hey, relax. There's no use in fighting it. This is going to happen, and you're going to like it."