Slime Master: Total Corruption

A princess knight and eight knightess —the heroines of this story— are corrupted by the forces of evil (You). - The protagonist (nameable) can manipulate vicious slimes through forbidden magic and uses them to ravage women in various lands. He sets his sights on his next target: the Kingdom of Xanadoa, where soon a princess knight becomes the king. - On his way he happens to murder Lord Claude, a close ally of the former king, and infiltrates the kingdom by impersonating him. - Behind the scenes, he uses the slimes to attack the women of the kingdom, stealing their virginity and imprisoning them in a desolate dungeon. - One after another the proud princess and her loyal knightess are subjected to mind-breaking pleasure. Eventually, their hearts are completely corrupted.​