Boku no Tsuma wa Kanjou ga Nai

The story begins with an office guy, Takuma who works alone in the office and now he has someone who takes care of him. He brings Mina-chan. A robot who does his all work and also takes care of him. One day he thought that he was in a good mood and said he wanted her to be his wife. That Robot took it and then started to act like a human wife. Takuma also started to fall for her and then they went out on a picnic and many other things. He treated her as a wife but can a robot and a human live together?