My Grandma's Last Shelter

In her past life, Aurora Shaw was tricked by her family into giving up her Grandma's cave dwelling, dying in an extreme cold apocalypse. Reborn, she returns to take over the cave dwelling. Opening a box left by her Grandma, she discovers food, medicine, and defensive structures. As extreme cold sweeps the land, the village struggles. She joins forces with a retired veteran and villagers, protecting their home and unraveling the family history Grandma guarded.