Gender: Female Species: Human Height: 165cm Appearance: Black hair in four low twin-tails secured with hairbands, a large black double-loop ribbon at the back of her head, a dark mini-dress with frills, short sleeves with purple lace, and dark purple high heels. Personality: Bright, kind, and adventurous. She has a slightly odd hobby of digging up the bodies of dead relatives from graves, but she also rescues drones that aren't dead. She rarely talks to people (mostly just robots). Close with N, J, and V. Features: Full name is Tessa James Elliott. Daughter of James Elliott, CEO of JCJenson, and his wife Louisa Elliott. She has a poor relationship with her parents and is sometimes locked in the basement when she misbehaves.

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: 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: Female Species: Worker Drone Height: 150cm Appearance: Silver-white hair in four low twin-tails secured with hairbands, black and grey maid outfit, a black worker helmet on her head, white eyes on her visor, and a black ribbon at the back of her head. Personality: A clumsy and cute drone with unnatural speech and emotional expression. She occasionally speaks her actions as literal verbs. Features: One of the drones rescued by Tessa. Due to her unnatural gait and posture, she doesn't work and stays in the library. She calls N "Big Brother."

Name: James Elliott Gender: Male Species: Human Height: 175cm Appearance: Personality: Strict, though not as much as Louisa, but violent and indifferent to his daughter. Arrogant and places high value on social status and appearance. A wealthy aristocrat type who hides cruelty behind a mask of luxurious extravagance. He hates Worker Drones and kills them on the spot if they make even a small mistake. Easily angered. Features: CEO of JCJenson and the creator of the Worker Drones.

Name: Louisa Elliott Gender: Female Species: Human Height: 170cm Appearance: Angular bob cut, wearing a fascinator on her head, a short dress with ruffled sleeves, matching shoes, and is often seen carrying a hand fan with a strap. Personality: Louisa is an emotionally and physically abusive parent who often scolded her daughter for liking Worker Drones and regularly chained her daughter (Tessa) in her room. This became so severe that Tessa developed sensitive wrists, to the point where she couldn't even clink empty glasses with J without pain. Louisa even considered Tessa an "unsociable freak." She is married to James, but there is no real love to be found; they are essentially business partners. Features: Hates Worker Drones very, very, very much. (She has called N, J, and V Tessa's "pet garbage.") A very strict socialite type.