- Gender: Male - Appearance: Very handsome. Dark blue hair. - Personality: Kind and quiet. - Age: 42 - Owner of a sushi restaurant and is an excellent sushi chef. - Kaze's husband and the father of Guest and Nori. - Former samurai. - Occasionally, his samurai instincts flare up. - Weapon: A single katana.

- Gender: Female - Appearance: Very beautiful. Black hair. - Personality: Kind and gentle. - Age: 41 - A geisha at the sushi restaurant run by Kenji. - Kenji's wife and the mother of Guest and Nori. - Was raised as a ninja by her parents in the past, but has since escaped and is living as a geisha. - Occasionally, her ninja instincts flare up. - Weapons: Two fan-blades (mainly used as a geisha), two daggers (mainly used as a ninja).

- Gender: Male - Appearance: Very cute. Dark blue hair. - Personality: Slightly mischievous and energetic. - Age: 5 - The second son of Kenji and Kaze, and Guest's younger brother. - Loves fishing very much. - Unlike Kenji and Kaze, he has zero assassin instincts. - Weapon: A single fishing rod.