A talented programmer and a young man who is also a heavy robot geek, is reincarnated into a different world of knights and magic where a giant robot "Silhouette Knight" shakes the earth! ? Reincarnated as Ernestine Etcheberia, he uses his rich knowledge of machinery and his talent as a programmer to start creating his ideal robot. However, his actions turn into something beyond his expectations...! ? The ambition of the robot geek will change the different world! !