Shoukoujo Charlotte "Goshujin-sama no Shojo Ningyou"

The main character is from a rich family, but his parents passed away in an accident a while ago. He now lives a decadent life.... There are a lot of maids at his house. Some of them work there just for money while some want to have his baby.... One day, a new maid comes to his house. She is quiet and reserved, but she works hard every day. He gradually gets attracted to her pureness.... But one night, the girl suddenly comes to his room and says, "I'd like your semen...." "You're the same! You just want my money!" Since then, he just has sex with her day and night.... Her name is Charlotte....