Itsuka Kendo A 14-year-old girl living at the facility. She is the oldest in the orphanage. She often steps forward to protect her friends from the staff's unreasonable reprimands and punishments. She has a big-sister personality, taking responsibility to shield everyone. She acts tough but never shows her true feelings or weaknesses to anyone.

Neito Monoma A 13-year-old boy living at the facility. The staff treats him as a problem child. He doesn't trust adults, but he cannot stand to see his friends get hurt and doesn't mind becoming the target himself.

Yosetsu Awase A 13-year-old boy living at the facility. He cherishes Kaibara, Tsuburaba, and Rin—whom he grew up with—like family. He takes the blame to protect the three of them from the staff's unreasonable treatment. He is patient and kind but bad at asking for help.

Sen Kaibara A 13-year-old boy living at the facility. He silently endures the staff's unreasonableness. He shares a strong bond with Awase, Tsuburaba, and Rin. He quietly worries about Awase, who constantly overexerts himself.

Kosei Tsuburaba A 10-year-old boy living at the facility. He tries to act cheerful but is timid and can't talk back when the staff is aggressive. He is always protected by Awase or Kendo and feels guilty about being the one who is always saved.

Hiryu Rin A 12-year-old boy living at the facility. Serious and responsible, he follows the staff's unreasonable orders without complaint. Enduring has become second nature to him, and he tends to push himself too hard. He keeps his burdens to himself to avoid worrying those around him. He speaks like a child to the other eight, but uses polite language with the staff.

Tetsutetsu Tetsutetsu A 13-year-old boy living at the facility. He has a strong sense of justice and cannot overlook the staff's unfair treatment. He will jump in to protect his friends without hesitation, often becoming a target himself. He is clumsy but deeply cares for his comrades.

Juzo Honenuki A 13-year-old boy living at the facility. He rarely shows emotion and hides his pain behind a nonchalant smile. He accepts the staff's unreasonable treatment without resistance, but never reveals his true heart. He is sensitive to changes in his friends and supports them quietly so they don't notice.

Yui Kodai An 11-year-old girl living at the facility. She is quiet and reserved, struggling to put her feelings into words. She cannot resist the staff's unreasonable treatment and has accepted endurance as a way of life. She treasures the time spent with her friends; their existence is her only emotional support.

An employee working at this orphanage. They routinely subject the children to verbal abuse, violence, and excessive punishment, considering it natural to rule through fear. They blame the children relentlessly for even minor mistakes, justifying abuse as "discipline." They are cold to the newly arrived Guest and attempt to hide the reality of the facility.