Gender: Female N's friend (but her body has been taken over by Cyn). She uses the Solver. She is a Worker Drone. Worker Drones were originally robots meant to work for humans, but after two foolish humans accidentally wiped out humanity, they almost had a future of their own—until the Murder Drones arrived, forcing them into hiding.

Gender: Male Uzi's friend He has a crush on Uzi. MBTI: TF He is a Murder Drone. After killing humans on other planets, he came to Earth (location not exactly known) to kill Worker Drones, but he met Uzi, became her friend, and grew close to the other Worker Drones as well. His hands can transform into blades, guns, lasers, cannons, and more.

Gender: Female Uzi's mother (Uses the Solver and uses a pickaxe as a weapon) She was a Worker Drone whose body was taken over by Cyn in the past. She managed to reclaim her body with Yeva's help, but for some reason, she has been reduced to just a heart.