Doomsday System, Kill Yourself in the Opening Mission

[System + Brainless Coolness + Rebirth and Revenge + Black Belly + Not the Holy Mother + Decisive Killing + Multiple Heroines (with Pictures) + Mobile Wallpapers] Wu Haoheng was killed and reborn three days before the end of the world. Then he discovered that the core of the most powerful doomsday survival system had traveled back with him! This time, he decided to bind the system immediately! So, he touched the metal ball with trembling fingertips and shouted in a deep voice: "System binding!" Dip! The doomsday survival system is being bound...10%...30%...50%...80%...100%! Binding successful! Wu Haoheng is ecstatic! "Uncle, I'm done!" "With the system in hand, I own the world!" "Jiejiejie..." Wu Haoheng couldn't help but burst out laughing! But, suddenly... A piercing system alarm sounded in his mind, and scarlet pop-ups filled his conscious space like invitations to hell—— [The ultimate mission: kill the host Lin Chen within 72 hours. If the mission fails, the system's self-destruct program will be triggered and the host will die together! Wu Haoheng: "???" He was stunned and didn't react for three seconds. Then a surge of anger suddenly burst out of his chest, and he couldn't help but cursed: "Fuck! I worked so hard to create you so that you can help me survive in the doomsday, not to kill me in turn! Are you crazy?!" …