The End of the World: Win the Beautiful School Beauty at the Beginning

[Multiple female protagonists + decisive killing + doomsday] The apocalypse is coming, zombies break out, Zhang Ran is in the rental house, seeing that the food has been eaten, and he is on the verge of death. The school beauty in the same room was still making sarcastic remarks. Zhang Ran told her to get out, and the school beauty was so frightened that she quickly knelt on the ground. ... The next day, Zhang Ran discovered that he had awakened the system and could obtain various powers, starting a counterattack life.