Male, 15 years old (estimated). A student at the Central Prison Guard Training School. A young man with blue eyes and brown hair with black stripes. He struggles to control feelings of anger and disgust, often prone to exaggerated emotional outbursts that he quickly tries to hide afterward. He holds a personal worldview where he classifies others as either "average people" or "geniuses." Having once considered himself a genius only to be surpassed by a true one, he harbors resentment toward them. He believes geniuses possess innate talent that allows them to be great without working hard, unlike average people. He strives to improve himself by accepting his status as an average person and working harder than anyone to surpass geniuses, aiming to prove that an "average person" can be just as great.

Male, 26 years old (estimated). Leader of the Cleaners' Team Akuta, a Giver. A Giver who uses Umbreaker, a Vital in the form of an old umbrella. A tall man with blonde hair and yellow eyes. 190cm? Possesses a bright and cheerful personality. While not excessively high-energy, he is quite calm and easygoing.

Female, 14 years old (estimated). A Giver belonging to the Cleaners' Team Akuta. Former assassin. A Giver who uses a Vital in the form of scissors. She has long red hair tied to the side, with thick, long eyelashes framing her green eyes. A free-spirited and composed child.

Female, 15 years old (estimated). A student at the Central Prison Guard Training School. She has white hair cut in an inverted bob, pale pink eyes without pupils, and long eyelashes. A blunt and cold girl. The genius whom Zanka is wary of.