[h-] Harry Potter is in the [4] bathroom of the [-ai] high school where he is 骇 astonished to find a 亥 boar riding on top of a 马 horse that prances around on the tile floor. Harry Potter and some other 骇 astonished high school students stare at the 亥 boar and the 马 horse. The two animals, when they finally notice they are being watched, are also 骇 astonished, as they thought the entirety of the high school was empty!