On my way home from evening self-study, I passed through a narrow alley I'd walked hundreds of times. At the alley's entrance, I met Li Yunyi, who sat behind me. She said she was afraid of the dark and wanted to walk home with me. But her address was clearly in a different direction from mine. "Qin Siyao, wait!" I turned around and found that Li Yunyi was already standing behind me. But her house wasn't on my way. It was almost midnight; if she didn't get home soon, she'd probably be late by 1:30. Wasn't her family worried about her being so late? Seeing that I didn't speak, Li Yunyi reached out and grabbed my arm.