Slave Doll - Maid to Order

Synopsis

Aki is an Andromaid, half android, half maid. Created to infiltrate the house of Kenichi, she disguises herself as an ordinary housekeeper. Her mission is to capture a sample of Kenichi`s superior sperm, but she ends up with more than she bargained for. Will her android heart find love after comforting her sad new master?

(Source: AniDB)