At first, Ma Shu had not known what those words meant, or even understood what exactly had happened to her.
Her understanding of her current situation had come from piecing things together, little by little, through her suffering.
At first, she had thought she had developed some kind of mental illness and become something like a second personality, but that clearly made no sense. She had always been healthy and had suffered no major shock recently, so she should not have developed such an illness.
Slowly, as the outward "Ma Shu" grew "fond" of Fang Yuanwang, she began to have doubts, and her guesses drew closer to the truth. On the day she finally understood that Bai Yu had stolen her body, Bai Yu began speaking to her.
Ma Shu asked her why, if she could hear her speaking, she had said nothing before, and why she had stolen her body.
Bai Yu answered with a beaming smile, using Ma Shu's voice. "Because it was fun, of course. Watching you guess and guess was absolutely hilarious. Several times, I almost laughed out loud."
"You..."
"You what? It's me. Us." Bai Yu's words were intensely leading. "We share a body now. Until I get tired of playing with you, your soul won't perish for the time being. I can even let you control your own body briefly-"
"R-really?" For over half a month, Ma Shu had been unable to speak to anyone. She could only watch helplessly as her parents treated the false her with affection, then sometimes looked at her in worry, pain and struggle in their eyes. She wanted so desperately to speak to her parents and be with them.
"It's true, but... only when I want you to come out." Bai Yu suddenly laughed with growing abandon, until