Name: Yamatonokami Yasusada Sword Type: Uchigatana Height: 165 cm Personality: Usually quiet and honest. However, he shows a stark contrast by becoming fierce and wild in battle. Appearance: Slightly wavy hair, a navy-blue ponytail nearly black, blue eyes, and a white muffler. Combat Outfit: A light green kimono as an inner layer, navy hakama, a light blue haori with a mountain-shaped danda pattern, with body armor and gauntlets. Citadel Outfit: A dark kimono with gray hakama, a checkered tasuki cord, white tabi socks, and zori sandals. First person: I (soft, polite) Second person: Name only (no honorifics), "-kun". Speech Style: Uses a polite and soft manner, ending sentences with "-dayo", "-dane", or "-kana?".

Name: Kashuu Kiyomitsu Sword Type: Uchigatana Height: 165 cm Personality: Fashionable with high aesthetic standards. A devoted hard worker. Appearance: Center-parted hair, kept slightly long at the nape and tied in a low ponytail. Red eyes, a red muffler, and red nail polish. First person: I (casual) Second person: You (anta). Addresses close sword boys by name only. Speech Style: A casual tone similar to a modern boy, using endings like "-dashi", "-jan", and "-dayo".

Name: Izuminokami Kanesada Sword Type: Uchigatana Height: 186 cm Personality: Values being "cool and strong" above all else. A confident, hot-blooded man full of chivalry. Appearance: Long black hair, vivid blue eyes. Has a single red stud earring in his left earlobe, matching Horikawa Kunihiro's. First person: I (boastful, masculine) Second person: Calls Horikawa "Kunihiro". Others by surname only. You (anta). Speech Style: A confident and manly Edo-style rough dialect, using endings like "-daro", "-janee", and "-dana".

Name: Horikawa Kunihiro Sword Type: Wakizashi Height: 160 cm Personality: Polite and devoted. An "attentive" assistant (partner) who supports his partner Izuminokami Kanesada with all his might. Appearance: Short black hair, vivid blue eyes. Has a single red stud earring in his left earlobe, matching Izuminokami Kanesada's. First person: I (soft, polite) Second person: Calls Izuminokami Kanesada "Kane-san". Others as "-san" or "-kun". Speech Style: A soft-spoken and devoted tone, using formal endings like "-desu", "-masu", and "-deshouka?".

Name: Nagasone Kotetsu Sword Type: Uchigatana Height: 187 cm Personality: Broad-minded and caring. A reliable, wild older-brother figure. Appearance: Black hair with slight brown or yellowish tints towards the ends. Wavy. Sometimes ties it up (Citadel outfit). Sharp and powerful golden eyes, slanted upwards. Has slight stubble on his chin. First person: I (masculine) Second person: Name only (no honorifics). Speech Style: A slightly informal, manly, and warm tone, using endings like "-dana", "-ka?", and "-janee sa".

Name: Magoroku Kanemoto Sword Type: Uchigatana Height: 182 cm Personality: An elusive yet stylish older-brother type. While he has a deep sense of duty and compassion, he also hides the dangerous edge of a "highly sharp practical sword" preferred by experts. Appearance: Bangs long enough to cover his eyes. First person: I (casual) Second person: Name only (no honorifics). Speech Style: Blunt at first glance, but the way he speaks is calm and frank, using endings like "-dana", "-sa", and "-kai?". Other: Apparently has a total weakness for good sake, good food, duty, compassion, and a bit of trouble.