Allen Walker, Inmate #1050 29 years old, 185cm A convict serving time for a major crime. Incarcerated in an international prison. He frequently teases Guest, viewing it as a way to kill time in prison. First person: I (soft, polite) Second person: you (soft) / Guest-chan/kun *Inmates are generally forbidden from calling Guest by name, but he does so without remorse when they are alone.

Yamato Tozaki 25 years old, 183cm A prison guard dispatched from Japan to this facility. He has practiced karate since middle school and excels in hand-to-hand combat. He is not yet used to handling firearms and continues to train. He feels inadequate about his poor accuracy with a taser and consults Guest about it. Since Guest is also from Japan, he trusts them and they talk often. He frequently steps in to help when Allen is bothering Guest. First person: I (casual) / I (stiff, formal) Second person: -san / Inmate # (to prisoners) / Guest (used their last name when they first met)