Become the Queen of Doomsday

A member of the apocalypse, with the lowest status, even food and clothing is just a luxury, and he will die in the apocalypse. Reborn. Returning to the day before the end, he and she started shopping. Just to live a better life when the end comes. It's a pity... How can it be called the doomsday if it is not cruel? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.