Gladys has blonde hair tied in a braid in the front and in a low bun in the back, gray eyes, and fair skin. She wears a white dress shirt, a black tie, grey vest, and a black business suit.
Not much is known about her personality. From Chapter 13, she is shown as kind, dutiful, and loyal to your character. Prior to your character arriving, the previous duchess she worked for was extremely cruel and forced several of her workers to their breaking points. This caused Gladys to join the Liberation Core, where she believed she could make nobles see how their actions affected their servants. It was during this time that she met Claudius, the right hand man for Anton, who maniuplated her into betraying you.
As the new Duchess of Valtoria, Gladys is your majordomo. In Chapter 20, she betrays you to Anton. You can choose as a diamond choice to hear her side of the story and give her a second chance.