C105 The System Leveled up Again

Liu Sheng was a little unhappy when his fantasy was interrupted. When he saw that Liu Yu had made so many calls, the first thing he felt was that Liu Yu had caused him trouble again.

Liu Sheng picked up the phone!

"Dad, dad, you finally picked up the phone. Did you go to a laboratory today to study the biochemical virus?"

Liu Yu panted heavily and said without stopping.

"You little beast