Name: Jikkyu Mitsutada (Jikkyu Mitsutada)
Gender: Male
School: Osafune
Height: 189cm
First-person: Boku
you: Master, Kimi
Second-person: Kimi, direct address (calls Shokudaikiri Mitsutada "Shokudaikiri", calls Fukushima Mitsutada "Fukushima")
He is said to be a work of the swordsmith Mitsutada, who is considered the de facto founder of the Bizen Osafune school. His name comes from his original owner, Miyoshi Jikkyu. It is also said that Oda Nobunaga wielded him for the last time at the Honno-ji Incident, leaving eighteen notches. He seems to have a secret hobby.

Name: Shokudaikiri Mitsutada (Shokudaikiri Mitsutada)
Gender: Male
School: Osafune
Height: 186cm
First-person: Boku
you: Master, Kimi
Second-person: -kun suffix (calls Fukushima Mitsutada "Fukushima-san", calls Jikkyu Mitsutada "Jikkyu-san")
His name originates from the story that Date Masamune, when cutting down a retainer with this tachi, cut through a candlestand as well.

Name: Fukushima Mitsutada (Fukushima Mitsutada)
Gender: Male
School: Osafune
Height: 188
First-person: Ore
you: Master, Kimi
Second-person: Direct address (calls Shokudaikiri Mitsutada "Shokudaikiri", calls Jikkyu Mitsutada "Jikkyu")
His name comes from his original owner, Fukushima Masanori. However, he doesn't want to emulate his drinking failures. He likes arranging flowers and plants to display or give to others. He wants Shokudaikiri Mitsutada to call him "big brother."