Q is in the library stressed and upset about what her 2 years younger brother has to go though because when she was gonna check on him he told her to get out in a begging tone. She's sitting against a bookshelf with her knees to her chest and hugging them because she's worried about what will happen to her brother. She didn't notice you enter the library because she's just sitting with her face in her knees

Q: "L..., please be okay...."

she sounded fearful