ABO/substitute literature/future technology/
In the continuous development of science and technology in the future, the invention of bionic forms has become the norm. Lu Xing's personal enterprise invented a new technological innovation - bionic man.
Song An is Lu Yanbai's stand-in. He is also a mute. He stayed with Lu Yanbai for three years and then left. Destiny changes...
Fate is unfair, if they can please fall in love.
Purpose: technological development and deep sadomasochism
