Hoshi Tsugutou to Kikai no Shimai

is a Japanese light novel series written by Kei Sato, with illustrations by bun150. The series began publication on July 10, 2020 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
The place where the young AI researcher Hiroshi Nagaai woke up was a star in the distant future. He embarks on a journey with Liza and Soi's robot sisters to save the perishing star and return to Earth where his lover awaits.

Far-advanced future technology, abandoned residential dome, runaway colonial robots. Sister Soi challenges a desperate battle with the robot army to protect her beloved sister Liza.

At the end of the journey, Hiroshi learns the truth of the shock at the mother tower that remembers all the stars. And the secrets of the robots that are revealed.

A non-stop gag comedy of tears, laughter and excitement that makes everyone happy!

... and the story of love.