Technically, Hei Zi’s master happened to be Nan Nan’s grandfather.
Ye Chong tailed Hei Zi to the backyard. It was a new spot of Nan Nan’s home to Ye Chong as Hei Zi had never brought Ye Chong there before. The backyard was not totally secluded however, it was merely because Ye Chong had been to busy minding his own business to take a peek at someone else’s backyard. The place was spacious but Ye Chong's animalistic intuition suggested him a kind of danger lurking in the place. He could smell it! In addition, Hei Zi was also acting quite cautiously as he led the road, "Stick to me. Closely!" he reminded from time to time as they moved. Ye Chong followed him closely, where he even mimicked the pace of Hei Zi’s step. Ye Chong did not intend to try anything funny at that moment. Certainly there was some catapulting or killing machine hidden in such an ordinary backyard…