This series has been licensed by J-Novel Club (June 1st, 2017).
The series is ongoing, and currently has 4 volumes.
The Earth had died a thousand years ago. It was rebuilt using gears by a mysterious man named "Y". In the present, while Naoto Miura is living his life as a high school student and a gear enthusiast, a box crashed into his home. In the box, is an beautiful automata girl, RyuZU. This encounter would then have a profound effect on both Naoto and Society itself.
Clockwork Planet is also available in the following languages:
The Clockwork Planet series by Tsubaki Himana and Yuu Kamiya