Chapter 159 I Am Sherlock Holmes (Part 1)

I gestured towards his face with my hand, "You see, if I wanted to hit you, my palm would be facing down and my thumb would be facing up. But the finger marks on Shen Yanyan's face are clearly the opposite, which can only happen when someone slaps themselves." Sang Shixi looked at me for a moment, a satisfied smile appeared on his lips. He even reached out and touched my head, "You're a clever girl."