Koharu Biyori

Koharu Biyori (こはるびより) or Indian Summer for translation, is a Japanese manga written and illustrated by Takehito Mizuki. The manga serialized up to 7 volumes in MediaWorks's monthly Dengeki Daioh before the title was moved to Dengeki Moeoh, and later licensed by ComicsOne and DrMaster.

Plot
In the near future, where robots are common workers for their owners. Takaya Murase has just purchased a maid robot named Yui from a robotic doll distributor, MaidWorks. Although Yui is ready to live her normal cleaning, cooking, and serving life to her owner, Takaya has other plans for his own fantasies and more.