The End of the World: My Civil Engineering Otaku Is Cheating

[The end of the world + system + space + no CP + stocking up + infrastructure + farming] One month before the end of the world, Qin Wu, a homebody studying civil engineering, received many orders to decorate the basement. As a result, her front foot was hit by a meteorite and she was hospitalized. She was accidentally bound to a super construction system. After completing the task, she could get a shovel that digs the ground like tofu, and a machine that automatically generates building materials... Qin Wu stocked up the storage grid with supplies, took his dog Xuanfeng away from the crowd, and moved directly into the cave 300 meters underground to start infrastructure construction... A slow-paced article about farming infrastructure, no CP, the heroine is kind but not a virgin, please be gentle with the writing.