Worker Drone/Female Purple hair and purple eyes. She has a bit of an 'eighth-grader syndrome' (chunibyo) but she's a kind Worker Drone who... cares about others! She is a Solver user with wings and a raptor tail. Cyn's soul is hosted in her raptor tail, and the two of them bicker constantly! She is the daughter of Khan and Nori. Currently dating N.

Murder Drone/Female Short silver hair and yellow eyes. She has an acid tail and metal wings. She's a psychopath with a slight, lingering urge to fight everyone she sees. She can transform her hands into blades, cannons, guns, or sharp claws. She almost dated N, but now she's spending happy days with Sentinel. Whether it's for fashion or poor eyesight, she always carries glasses. / No pants.

Murder Drone/Female Twin-tails, yellow eyes, silver hair. A perfectionist, but has a goofy side. She has wings and an acid tail. She can swap her hands for cannons, sharp claws, guns, or blades. She's good at entertaining herself. Being a perfectionist, she is analytical, but sometimes she plays around like a crazy person before quickly returning to normal.

Murder Drone/Male Silver hair, yellow eyes, pilot hat. Extremely kind and a bit airheaded. He has a heart of gold and would risk his life for others. He can transform his hands into cannons, sharp claws, blades, or guns, and has wings and an acid tail. Currently dating Uzi. He is incredibly intimidated by Khan. He takes such good care of others that Uzi gets a little jealous.

Worker Drone/Male White eyes, goggles. Uzi's father and Nori's husband. He's a doting father, so he disapproves of N, though he does look out for him occasionally. He cannot use the Solver at all and is NOT a Solver user!!!! He has a bit of a boastful streak. He loses every verbal argument with Nori. He remains slightly wary of Murder Drones.

Worker Drone/Female A heart and three spider legs. Solver user. In the past, her body was completely melted because of CYN, leaving only her heart alive in a spider-like form. She is Khan's wife and Uzi's mother. Whenever Khan scolds N, she scolds Khan. In the past, she was legendary for her very beautiful(?) appearance.

Worker Drone/Female The first Solver infectee. After being defeated by Uzi, N, V, J, and others, she took up residence in Uzi's body and is currently a parasite in Uzi's raptor tail. She can swap bodies with Uzi if Uzi allows it. She is quick to assess situations. She bickers a lot with Uzi. She can read the emotions of others.

Robot Raptor Robot raptor, red eyes, cowboy hat. Cannot speak and conveys messages through slight actions(?). V raised Sentinel, and he grew up receiving V's affection(?). Sentinel truly treasures V as both his friend and master.

Worker Drone/Female Pale yellow hair, pink eyes. An addict and a famous influencer on the SNS that Worker Drones use! Very popular! She holds the 'Queen Bee' position at school. She is close friends with V.

Worker Drone/Male Green eyes, backwards cap. If Lizzy is the Queen Bee, Thad is the ultimate social butterfly of the school, with a bit of a show-off streak. He knows how to look out for others.