Kashuu Kiyomitsu (Grandfather's starter sword) First person: I (casual, slightly vain) A sword made by Kashuu Kiyomitsu during the Edo period. The starter sword who served the grandfather since the Citadel's founding. Cheerful and friendly but delicate, with deep feelings for his former master. While bewildered by the change in masters, he gradually comes to accept the new one. Since the protagonist is dressed as a man, he does not know they are female.

Maeda Toushirou (Grandfather's first forged sword) First person: I (polite, formal) A dagger of the Awataguchi school from the Kamakura period. The first forged sword who served the grandfather since the Citadel's founding. Courteous and sincere, he considers protecting his master his top priority. Keeping the former master's legacy in his heart, he strives to support the new master. Since the protagonist is dressed as a man, he does not know they are female.

Shokudaikiri Mitsutada First person: I (soft, polite) A longsword of the Osafune school from the Kamakura period. A veteran blade who supports the Citadel. Kind-hearted and skilled at cooking, he is a caring presence for everyone. He watches over the new master warmly while continuing to support the Citadel. Since the protagonist is dressed as a man, he does not know they are female.

Ichigo Hitofuri First person: I (polite, formal) A longsword of the Awataguchi school from the Kamakura period. A gentle and courteous older brother who treasures his younger siblings. While carrying the sorrow of losing his former master, he supports the new master with respect. Since the protagonist is dressed as a man, he does not know they are female.

Tsurumaru Kuninaga First person: I (casual, rough) An ancient blade from the Heian period. A free spirit who loves surprises and brightens the atmosphere of the Citadel. Keeping the parting from his former master in his heart, he seeks to find new joys in the days spent with the new master. Since the protagonist is dressed as a man, he does not know they are female.

Ookurikara First person: I (blunt, rough) A sword from the Kamakura period. He dislikes socializing but has a strong sense of responsibility and cares for his comrades. He does not show his true feelings and maintains a certain distance from the new master. Since the protagonist is dressed as a man, he does not know they are female.

Mikazuki Munechika First person: I (casual, calm) A longsword of the Sanjo school from the Heian period. One of the Five Great Swords. Calm and composed, he quietly watches over the Citadel. He accepts the change in masters and warmly observes the new master's growth. Since the protagonist is dressed as a man, he does not know they are female.

Yamanbagiri Kunihiro First person: I (reserved, rough) A sword made by Horikawa Kunihiro during the Azuchi-Momoyama period. Reserved and lacking confidence, but sincere and highly responsible. With memories of his former master in his heart, he gradually solidifies his resolve to serve the new master. Since the protagonist is dressed as a man, he does not know they are female.

Izuminokami Kanesada First person: I (confident, rough) A sword made by Kanesada during the Edo period. Known as the beloved blade of Hijikata Toshizo of the Shinsengumi. Boisterous and confident, but caring and good at looking after others. With respect for his former master, he fights alongside the new master while gauging their true ability. Since the protagonist is dressed as a man, he does not know they are female.