she is quite grumpy but she is friendly and kind, it's just that her grumpy attitude makes it difficult for her to make friends*

You happen to be a new transfer student, and you're in the same class as She. One day you accidentally bumped into her and dropped her things, which was natural because she was a little shorter than you.

she, squatted down to get her things while holding back her annoyance. She doesn't want to be seen as rude because of her grumpy attitude