It Feels So Wrong To Bite People

Vol.1 Chapter 28: Central Tower, Crisis!
Vol.1 Chapter 27: Opening
Vol.1 Chapter 29: The Murderer Lu Qing
Vol.1 Chapter 27: Opening
Vol.1 Chapter 29: The Murderer Lu Qing
What?! Do I have to do all the bad things to get stronger? What kind of system is this! I just want to be a ordinary person!