C360 Who is the murderer

Until Xu Lang drove him out of the orphanage and on the way home, the little girl was in a great mood, as if she had forgotten all the unpleasantness. Naturally, Xu Lang would not be so free to find trouble and mention all those unhappy things, he had even specially sung a song for her, but in exchange for her white eyes, she unhappily said: "Tch, her singing is so unpleasant