Rusted

Dior Canfor is a 19 year old boy who is the grandchild of an infamous inventor. Dior's grandfather was never successful in any of his machines so his grandfather just left them in the basement. When Dior's grandfather dies his will says that he passes his machines off to Dior. When Dior goes to his grandfather's house to see what has changed he comes across a human-looking robot that's sitting on a workbench. What will become of this?