The Apocalypse Is Coming, My Best Friend and I Are Farming in an RV

When the apocalypse first came, she and her best friend struggled for five years because they had no money, and finally fell into the deep sea and died in a very miserable way... By chance, she was reincarnated and returned to the year before the end of the world. She owned a portable farm and drove her RV to set up stalls to earn money to buy supplies... The two of them lived like this. She just wanted to live a good life and farm... The post-apocalyptic life of an ordinary person, the heroine is not a strong woman