Slavemaker is a fan hentai parody of the game 'Princess Maker'. You are a slave trainer in the kingdom of Mioya. You are contracted to train a girl to become the ideal slave. She will be trained in many fields but sex is a significant part of the training. Each girl has a training time before she is turned over to her owner and in that time you need to try have maximize her abilities.
The girls are various characters from anime and games, their personalities will be similar but not identical to their source. Also note for this game they are all 18 or older (despite the occasional school uniform you may see).
Some more extreme hentai elements are in this game, including bondage, rape, ponygirls, tentacles and dickgirls. All of these hentai elements can be disabled from the Options menu.