[You estimated that if Jade existed in this world, she shouldn't be in any danger. After all, it was still the first day since Eternal Winter.]
[Looking outside, there was only light snow. Nothing out of the ordinary had occurred.]
[Due to this, you wanted to build the underground base first in order to ensure the residence of you and Jade were prepared and ready.]
[You figured that the Most Efficient Tactic Available for most people would be to find an underground base and live there. Of course, not everyone could achieve that, but those that couldn't, if they didn't have any generators and heating systems, would likely die early on.]
[After all, the temperature above the Earth's crust would eventually become so cold that it would be uninhabitable. Most of them would dare not go outside, which would then lead to the problem of food and water supplies.]
