Extremely Cold Apocalypse: Harvesting Starts from the Goddess Next Door

[Three seconds determine life and death, the knife is faster than the mouth, the killing is decisive, the IQ is online, and all the members are evil. I was reborn 9 hours before the cold wave destroyed the world, and I bound the [Doomsday Killing Upgrade System]. The rules of survival in the previous life: patience, compromise, and praying for a trace of mercy in the ice cave. The new rules of this life: killing, plundering, and using absolute power to define the doomsday civilization. When the lady next door panics about her falling underwear, While her husband was still looking at me, the delivery boy, with false arrogance, I have seen clearly their hidden evil and accepted the system's first mission. The end of the world has not yet come, but the hunting has already begun in advance. Seventy degrees below zero is not only a severe physical cold, but also my last feeling of warmth for this world.