"Open". She said without emotion. "What if I say no?" Mu Chen raised his head, and the sun shone on his monster-like face, making people unable to look away. The corners of his mouth formed a beautiful arc, and he slowly approached her. Yin Li panicked, her heartbeat was beating so fast. As a killer, she felt panicked like never before. . . She wanted to tell him: "I am your sister." But in the next moment, Mu Chen had kissed her lips. . . .