My Wife Has No Emotion

An office guy, Takuma lived alone in his house and had no one who did work for him. He then thought of buying a robot who does all his housework. That robot Mina can do housework and some other things too. One day he in fun said that she should be his wife and she took it seriously. She acts like a wife and they even go out on picnics now Takuma has feelings for her.