chapter 20 This is interesting...

Andrew Xiao controlled the first twenty or so needles very easily, but as sweat appeared on his forehead, his left hand holding the needle also trembled slightly, and his movements were obviously much slower. In the past, one needle could be inserted in one breath, but gradually it became necessary to take several breaths and then thirty needles, each time taking longer and longer.

If Juno Xia looked back, she would notice that Andrew Xiao always used his left hand when inserting...