He is an indifferent man who is keen on saving living things, and she is a unruly young lady who is keen on killing living things. She is one of the many small animals that he picked up and brought home, and he regrets picking her up. She loves to follow him, monopolize him, and ride on his head. She will chase away warblers and swallows for him and declare that he is her property. She said she loved him, and he loved her too, so, well, since she was his little animal, he would reluctantly agree to her will and fall in love with her. In fact, she had already felt an unfeeling love in his heart