Made in Abyss. Created in the abyss. Volume 7. Tsukushi A.

Rico and her friends get to the sixth layer and suddenly run into the village of dummy. Each of the inhabitants there has a special value, the exchange of which stands at the forefront of the life of the settlement. Heroes get acquainted with the village, but soon the act of Nanati threatens to doom the whole journey to a terrible end... There is no longer back. Exciting adventures, where the mysterious and ordinary merges.