Machine dolls cannot be returned! (Volume 1 whole volume)

Publisher: Alpha Polis
Author: Kuro Mizutani
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Youth manga, manga
Latest release date: 2020-07-30

Synopsis:
A world where machine dolls are indispensable for human life as a labor force.
A human boy, Ray and a mechanical doll girl, Koko, who finished the adult ceremony in a certain village, went on a secret trip one day!
Coco, who has no old memory, tries to find the owner of his parts to know why he is different from other machine dolls -?
Machine dolls and human bonds and growth travel stories begin!