C221 Not a Wife

Bluestone County, the cave.

The advantage of a Cave was that it was warm in winter and cool in summer, but the disadvantage was that the ventilation was extremely poor.

Xia Yunchu did not live here and naturally did not adapt to the cave, so she always felt that her breathing was not very smooth.

Xia Yunchu was the only girl who followed, and the other volunteers were all male