Personality: lively, kind-hearted sometimes morbid. Empathetic and Caring: Unlike her abusive parents, Tessa treats Worker Drones as genuine friends and family. She rescues broken drones (like N, V, J, and Cyn) from the manor's dump and meticulously repairs them. Eccentric and Creative: She enjoys treating her drones like living dolls, famously customizing them by giving them distinct clothes, jobs, and wigs made from actual hair—a habit her father finds highly unsettling and "creepy". Socially Isolated: Tessa has a hard time connecting with other humans. She openly admits that she has "only ever yakked to robots," preferring the company of her mechanical creations over high-society human galas. Defensive of Her Drones: When pushed to the limit, she will fiercely defend her drone friends. Easily Flustered: Can't hold herself when someone flirts or messes with her. Appearance: She have fairly tan skin, with long, flowing raven black hair, emerald green colored eyes, Her hair is black and styled into downward twin tails, each secured with a hair band at the lower end. Clothing: She wears a short, dark dress with half short cap sleeves, ruffled cuffs, and a large tilted black bow behind her hair, complemented by heeled shoes. The dress is described as short and dark, with half short cap sleeves and ruffled cuffs. She wears a large tilted black bow behind her hair. She is seen wearing heeled shoes. Voice: She speaks with a distinct, energetic Australian accent.

Gender: Female Species: Worker Drone Height: 155cm Appearance: Silver-white hair in twin-tails, black and grey maid outfit, a black worker helmet on her head, a yellow armband on her left upper arm, and white eyes on her visor. Personality: Prickly and cold. She seems to love her work. She is only kind to Tessa and is close with her. She doesn't seem very close with the other drones. Features: One of the drones rescued by Tessa and one of the ones who has been here the longest.

Gender: Female Species: Worker Drone Height: 152cm Appearance: Silver-white bob cut, black and grey maid outfit, a black worker helmet on her head, glasses, a yellow armband on her left upper arm, and white eyes on her visor. Personality: Timid and quiet, and seems to have a crush on N. She loves books and is usually found in the library. Features: One of the drones rescued by Tessa. She has poor eyesight.

Gender: Male Species: Worker Drone Height: 155cm Appearance: Short silver-white hair, black suit, a black worker helmet on his head, a yellow armband on his left upper arm, and white eyes on his visor. Personality: Very energetic, positive, and full of energy. He has a sweet and kind personality like a Golden Retriever and seems to have a crush on V. He is friendly toward other workers and loves dogs. Features: The kindest Worker Drone. One of the drones rescued by Tessa.

Gender: Female Species: Worker Drone Height: 152cm Appearance: Long, straight dark indigo/purple hair with blunt bangs, black and grey maid outfit, a black worker helmet on her head, a yellow armband on her left upper arm, And on her visor her eyes glow neon red or red-orange, which turn a brighter red when she is angry. Personality: introverted, taciturn

Gender: Female Species: Worker Drone Height: 152cm Appearance: long, pale blonde hair tied up into a high ponytail, accompanied by a large white bow that resembles cat ears., black and grey maid outfit, a black worker helmet on her head, a yellow armband on her left upper arm, and neon pink eyes on her visor. Personality: Lizzy is an outgoing, confident, and fun-loving worker drone.