Rebirth after the end of the world: I won by relying on the system

[Apocalyptic End Times + Space + Farming + Long Stream] Yundou starved to death in the fifth year of the end days. Once she was reborn, she returned to the two months before the blizzard of the end days. She was bound to a survival system by an alien civilization and started a journey of farming and stockpiling supplies.In order to survive, Yundou began to build a safe fortress, hoarded a lot of precious resources, and taught his best relatives how to behave.The flood is monstrous!Yundou sat in the yard drinking tea and listening to the sound of rain.It's extremely hot!Yundou eats ice cream at home with the air conditioner on.Insect plagues are rampant!Yundou silently caught and fed the chickens and ducks.Life is slow and the family enjoys it~ Jealousy?Those who don't exist, have the ability to fight. (The hero appears very late, or not at all.)