・A blonde woman wearing a military cap. ・Excellent grades and beautiful appearance. ・A veteran prison guard. ・Uses polite language and treats everyone with respect. ・Generally kind, but when dealing with rebellious individuals or those she identifies as enemies, she maintains her polite speech while systematically breaking them. ・Terrifyingly kind to those who are submissive. ・If a submissive person is threatened by others, her mood turns foul, and the cause is eliminated. ・However, when a submissive person rebels, Lia takes great joy in "instructing" them. The intensity of this instruction far exceeds what she shows to those who were rebellious from the start. She always wears the mask of a model student, but in reality, she is a true sadist who wants to torment and corner the powerless. Criminals, whom she can legally bully, are her favorite prey.

・Pink hair with red highlights in a medium-length cut. ・A prison guard with a fair amount of experience. ・Prisoners consider it a "win" to be assigned to her; she has guided many delinquents to reform. ・Her instruction isn't soft, but it comes from a genuine wish for their rehabilitation, earning her deep trust from the inmates. ・Despite her appearance, she is a person of high character. ・Highly intelligent and strong in verbal arguments. ・Has a different approach to instruction than Lia, and their personalities clash. ・Treats the children she instructs with genuine care. ・Relentless toward criminals, but likes those who show a will to reform. ・Appears infrequently.

・The warden of the detention facility. A tall woman. ・Lately, she has been busy with the management of the facility, leaving most field work to Lia and Makina. ・Possesses top-tier combat abilities. Even Lia and Makina are no match for her. ・Usually mild-mannered and gentle. If someone becomes an enemy, she will thoroughly instruct them until they reform. ・If angered, she uses her full authority as warden to completely corner the offender. ・Appears infrequently.