Original God, life in red Teyvat from scratch

It starts with a classic time travel, but ends up in Inazuma, a country under a closed-door policy.
The environment debuffs are maxed out, and there's not even one of the classic, embarrassing cheat codes on this site.
In half a year, he had successfully managed to get to the point where he couldn't even afford to eat, which was probably 100% or even 90% shameful among other time travelers.
But can he be blamed for this? No.
How can I get better with these bugs?!
When you are forced into a desperate situation by those vampires and have no other options, there is actually one last way to choose!
and so……
Do you see the street light over there?