Snowmoon originated from Japan, is one of Japan's authentic confectionery, the outer skin is Q-bouncy snowmoon ice skin, the filling is usually seasonal real fruit-based.
The Dirty Bun, as its name suggests, does look dirty, and after eating it, your mouth and hands will be full of dirt. It's actually an advanced version of the Chocolate Croissant, and after eating it, your mouth and hands will be stained with chocolate and become "dirty", hence the name "Dirty Buns".