The next morning, tianlei tells his sister that he has come to tell her that he will never let her down. He tells her that his friends are his "bulwark" on the schoolyard, and that he cannot protect them. He asks her to apply ointment to her sprained ankle for two days, and she will be fine. She tells him that she was jealous when she found out that he was in love with her, but now that he is having a tough time, she does not want to add anything to his troubles. . she tells her sister that even if she stays by his side, she will not pose a threat to her.