Noblesse Oblige Series by Brand Gamblin

Rising above your station can be deadly. Cliffy is a child born on the streets of a Neo-Victorian world. Witnesses to a murder, he blackmails a nobleman, receiving a unique bribe. In exchange for his silence, the nobleman introduces him to the Malcolm Rutherford Holden Institute of Regentrification. There, Cliffy learns to walk, talk, and act like a nobleman, so that he may infiltrate high society... moreRising above your station can be deadly. Cliffy is a child born on the streets of a Neo-Victorian world. Witnesses to a murder, he blackmails a nobleman, receiving a unique bribe. In exchange for his silence, the nobleman introduces him to the Malcolm Rutherford Holden Institute of Regentrification. There, Cliffy learns to walk, talk, and act like a nobleman, so that he may infiltrate high society. But that type of fraud is punishable by death, and when Cliffy uncovers a plot to assassinate a head of state, he's hunted by more than just the aristocracy. Royal intrigue, daring escapes, sub-dermal machines, and bear polo. A grand adventure in a not-so-distant world. less

In a fantastic world not too far ahead of us, Victorian sensibilities have brought back the monarchy, with a caste system that is lethally enforced. Dizzy is a con man, a commoner who makes his living impersonating the nobility. But one wrong turn leaves him trapped in the most dangerous place of all, the palace of the king. Invito Rex is the futuristic steampunk sequel to "The Hidden Institute".