To protect Xu Shanshan's safety, Cheng Xiaoshi made a "deal" with the murderer.
how he became friends with Cheng Xiaoshi.
عن كيف أصبح صديقاً
.لشينغ شياوشي
cómo pudo hacerse amigo de Cheng Xiaoshi.
com'è diventato amico di Cheng Xiaoshi.