Our Doomsday Fort in the Unfinished Tower

Lin Weixi foresees the apocalypse in three days. She sells her sea-view villa to her biased family, then buys a tall unfinished building with her sister Lin Wan and friend Gu Panpan. They fortify it into a stronghold and stockpile supplies. When tsunamis and extreme cold hit, the three awaken superpowers. With space farm, healing and strength abilities, they survive disasters and hostile people, reject moral blackmail and trade supplies to protect their safe haven.