Mysterious Resurrection: Old Generations

[This work can be viewed as a fanfic or as an independent book] [The background of this work takes place in the Republic of China and is not related to the protagonist of the original work. It is mainly to fill in holes] Mysterious ancient alleys, black umbrellas with dragon patterns, and scarlet blood pupils. How did ordinary people of the old generation survive in the prison-like world? Maybe Jiang can tell the answer...