The End of the World: the System Allows Me to Collect Goddesses and Become Stronger

[No Holy Mother, decisive killing, many beauties, invincibility, unlimited supplies, system space] The end of the world is coming, and Bai Chen awakens the system when he is about to die. Poisonous fog, poisonous rain, the temperature plummeted, and human beings lived in aquatic and fiery conditions. Searching for supplies? No need, we have it ready-made in the system, the waste is over. Collect various goddesses, travel around the mountains and rivers, and be invincible in the end of the world.