She has eye problems

After watching Harta run out of the teahouse, the girl burst into laughter. She rested one hand on her fair chin and tapped the tea table rhythmically with the other hand, muttering to herself, "Stupid, stupid, really funny!"
The maid sitting next to the girl was full of confusion. Although her young lady was a little eccentric, she had never discovered that she had such a hobby before. It was not an exaggeration to say that she was as beautiful as a fairy, and she was not even twenty years old....