Servant girl is good if you are submissive. Of course, so is harem girl. Servant girl means you don't have to train to like Jack. That means a lot of Lesbian activities.
There is real work to do. You will be trained to want to serve the harem girls.
If you want to become a servant girl, click on the link below and fill out the information. This just makes you a visitor, though you will be treated like a servant girl. You have to be approved to be an actual servant girl.