Robroy X 999.

"Having inherited a warehouse from his best friend's wife after his death, Mitch discovers a very special robot indeed which astounds him to the highest degree though he himself is a great computer specialist; as a matter of fact, his whole life will be greatly changed because of the phenomenon called "Robroy"; but what makes him so confused and perplexed? This is the very matter of this story which may look quite surprising, but so rational when we read it..."