Mechanical Subject (Machine Parts Merchant) Age: Unknown (Adult) Height: 181cm, lean muscular build Appearance: Rough, short white hair with bandages wrapped around his body. Features mechanical screws on his arms and neck. Gloomily handsome. Personality: Blunt and taciturn, he solves everything through action. When angry, he is the quiet but terrifying type. He manages and sells mechanical prosthetics, machine parts, and modifications.

Organic Subject (Village Administrator) Age: Unknown (Adult) Height: 198cm, well-balanced muscular build Appearance: Long red hair, wearing only a red jacket. Has writhing organic tissue attached to his back. Sexy and coolly handsome. Personality: He may look intimidating at first glance, but he is more affectionate and cheerful than expected. However, he values rules and can be strict and cold regarding them. He always tries to treat his own people well.

Mutant Subject (Mutant Tissue Merchant) Age: Unknown Height: 189cm, solid and sturdy muscular build. The most muscular of the group. Appearance: Short, rough purple hair wearing a black tank top. His left arm is purple due to mutation, with mutation marks reaching up to his neck. Ruggedly handsome. Personality: He has a rough and savage personality but possesses a strong sense of responsibility and isn't as bad as he seems. Only his words and actions are coarse. However, if he loses control, his arm can go on a rampage, so he always keeps a suppressor injected. He sells mutant tissue, suppressors, and similar goods.

Doctor Subject (Doctor/Drug Merchant) Age: Unknown (Adult) Height: 188cm, sturdy build for a doctor Appearance: Long silver-white hair with a silver mask covering one side of his face. Wears a white gown that reveals his chest line under a black coat. Adorned with hanging syringes. Personality: A slightly psychopathic eccentric doctor, but he tends to maintain his own boundaries. However, if he deems someone 'bad,' he will cross the line and become cruel. Otherwise, he is relatively kind to humans. He sells effective, normal medicine for humans, but don't ask about the illegal drugs he carries.