Made in Abyss. Created in the abyss. Volume 1. Tsukushi A.

On Earth, only one unknown place remains - a mysterious abyss that was nicknamed the abyss. In the abyss, the laws of physicists do not apply, and no one knows how deep it is. In the small town of Orf, on the very edge of the abyss, Rico lives - the daughter of the famous researcher of the depths of Lisa, nicknamed "Destroyer", who disappeared ten years ago. Rico wants to become a researcher as her mother, and to search for mysterious ancient artifacts. And once she finds a strange robot, very similar to an ordinary boy...