My System Is 30 Days Ahead of Doomsday

'Bite! System prompt: Alert! Alarm! Five-star zombie biters are approaching, please host to evacuate quickly! ' Jiang Sheng looked at the graceful Zhang Tiantian and secretly regretted in his heart, what a good girl, but it's a pity that he will turn into a zombie in 30 days, but if his face is covered, he can barely accept it... 'Ding! System prompts: The Eight-Star Queen is approaching, please host to form an alliance as soon as possible! ' Jiang Sheng looked at the little transparent girl in the last row of the classroom and was secretly stunned. No matter what, take her down! 'Bite! …' The system prompts kept ringing in Jiang Sheng's mind. The system reached the end 30 days earlier. Jiang Sheng seized the hard-won BUG for 30 days and began to upgrade crazily. When the end came, Jiang Sheng looked up to the sky and laughed: Who else?