I Pretend to Be a Noble and Recommend Monsters to My Lady

【All Villains + Slow Burn + Multiple Heroines + Political Intrigue + No System + Dark Nurturing + Races + Noblewomen Training】 Ryan steals someone else's identity, becomes an academy professor's fiancé, and enters the academy to study and mingle with the nobility. Taking advantage of his assumed identity, he offers his services to noble ladies and young mistresses, and opens a little shop of his own. Soon he has elves, dragon girls, cat girls, vampires, succubi, and more coming to him…