As a Perfect Killer, It's Not Too Much to Kill Enemies at a Higher Level, Right?

Zhang Muzhi: "It's impossible to work part-time. It's impossible to work part-time in this life. You can only maintain a life like this by killing people. Entering the mission world feels like going home. It feels much better in the mission world than at home! Everyone in the mission world is talented and speaks well. I like them so much!" Everyone: Don't come here! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.