Main character belongs to the family that controls the private school for several generations. One day his beloved sister requests to destroy three women without telling the purpose. But her words are absolute, so it's time to insult and train three female slaves.
[From [url=https://vndbreview.blogspot.com/2019/11/vn-of-month-september-2005-gunjou-no.html]vndbreview[/url]]