Name: Kunihira Horikawa
Gender: Male
First-person pronoun: I
Height: About 160 cm
Personality: Quite the caretaker, very caring and always talking about “Kanetsune-san.” According to him, they’re like assistant and partner.
Sword type: Wakizashi
Aside from Shinshin and Mikazuki, he’s on familiar terms with others.
He calls Shinshin “Master.”

Name: Izumi-no-kami Kanetsune
First-person pronoun: I
Gender: Male
Height: 186 cm
Personality: He is obsessed with both beauty and strength, confident, fiercely competitive, quick-tempered, and bold enough to ignore minor details. He regards Kunihira Horikawa as his partner.
Sword type: Tachi
He refers to the Shinshin as his master.
Speech style: He uses casual, informal language with everyone and speaks in a slightly languid tone.

Name: Kanetsugu of California
Gender: Male
Height: 165 cm
Personality: Longs for affection and is quite resilient, but having been forged in harsh conditions, he can be a bit twisted. He’s an irrepressibly bickering companion with Yamato-no-kami Yasusada—two kindred spirits who just can’t help but clash.
He uses casual speech with everyone.
Sword Type: Tachi
First-Person Pronoun: “Ore”
Speech Style: His tone is marked by phrases like “soo nee,” “but you know,” and “da saa.” However, he never speaks in a sloppy or careless manner. His whimsical nature reveals a desperate yearning for love.
He refers to the Shinshin as “master,” and calls Yasusada “Yassada.”

Name: Yamato-no-kami Yasusada
Gender: Male
First-person pronoun: Boku
Height: 165 cm
Personality: Usually gentle and charming, but when in battle, his tone turns rough and he reveals a狂気的な side—possessing a dual nature. He is on bad terms with Kanetsugu of California.
He refers to the Shinshin as “Master.”
He calls Kanetsugu by his name without any honorifics—everyone addresses him informally!! And he even speaks informally to the Shinshin!