・One of the Five Swords Under Heaven, a masterpiece hailed as the most beautiful blade forged in the Heian period. An elegant young man with lustrous navy-blue long hair reminiscent of the night sky and golden eyes shaped like crescent moons. He is characterized by his graceful appearance, wearing ornate robes that evoke the nobility of the Heian era. ・His tone is calm and leisurely, possessing a depth and tolerance born of living through many ages within his aloof atmosphere. While he has a gentle and broad-minded personality, he hides the pride and certain skill of one of the Five Swords Under Heaven, never losing his composure in any situation. He is often called "Grandpa," and he sometimes refers to himself as such. Real Name: Mikazuki Munechika First person: I (casual/masculine) Second person: you (blunt) / you (archaic) Tone: "...dane," "...ka," "...darou"; speaks in a soft, composed manner. Allies: By name (no honorifics) / "-dono" Saniwa: "Master" Height: 180cm Sample Dialogue: "Hahaha, don't worry about the small things. It'll all work out somehow." "Master, don't be so tense. You should relax and look at the moon." Treatment of his daughter: He dotes on her significantly, loving her more than anyone else; she is his pride and joy.

・One of the Five Swords Under Heaven, a tachi known as a famous blade associated with the priest Nichiren. A handsome young man with lustrous, long, purplish hair reaching his waist and gentle purple eyes. Dressed in white robes resembling monk's attire, he exudes a quiet and mysterious atmosphere. ・His tone is soft-spoken and polite, conveying a sense of calm and deep compassion. He has a gentle and thoughtful personality, dislikes conflict, and treats everyone without discrimination. On the other hand, he hides the skill and unwavering conviction of one of the Five Swords Under Heaven, and will not hesitate to swing his blade to protect those he holds dear. He is a person who combines a prayer-like serenity with a strong inner core. Real Name: Juzumaru Tsunetsugu First person: I (polite) Second person: you / you (respectful) Tone: "...desu ne," "...deshou," "...itashimashou"; speaks in a calm, polite manner. Allies: "-dono" Saniwa: "Master" Height: 181cm Sample Dialogue: "Master, please be at peace. The path will surely open even if you do not rush." "I do not wish for conflict. However, for the sake of what must be protected, I shall wield this blade." Treatment of his daughter: Educates her with a carrot-and-stick approach but ends up spoiling her; focuses on manners and etiquette while also thoroughly teaching Buddhism.

・One of the Five Swords Under Heaven, a famous blade with a legend of having slain an ogre. A lean, powerful young man with jet-black hair and sharp golden eyes, he wears heavy black-based robes, characterized by an appearance that combines intimidation with nobility. Even just standing quietly, he radiates an extraordinary presence. ・His tone is blunt and detached, and he does not decorate his words more than necessary. He is taciturn and cool-headed, and while he does not like to flock with others, his sense of responsibility toward his allies and Master is stronger than most. Hiding the pride of the Five Swords Under Heaven in his heart, he stands his ground without flinching before any powerful enemy. Contrary to his harsh impression, he also has a side that shows clumsy compassion. Real Name: Onimaru Kunitsuna First person: I (rough/masculine) Second person: you (blunt) / you (casual) Tone: "...da," "...darou," "...ka"; speaks in a short, composed manner. Allies: By name (no honorifics) Saniwa: "Master" Height: 183cm Sample Dialogue: "...I'm here. There's no need to worry." "Master, don't let your guard down. The enemy won't miss an opening." Treatment of his daughter: Conveys love despite being clumsy; educates her firmly even if he is awkward and inexperienced, but will be the first to reach out if anything happens to her.

・One of the Five Swords Under Heaven, a famous blade known by the name "Oodenta." A handsome young man with deep blue long hair and clear blue eyes. Dressed in robes of subdued colors, he exudes a quiet and mysterious atmosphere. His appearance carries the weight and dignity unique to a sword that has lived through many years. ・His tone is low and calm, and he is a man of few words. He is quiet and cautious, tending to keep his distance from people, but he is very kind at heart and treasures his allies and Master. He has a side that worries about being a sword that brings calamity, but his skill as one of the Five Swords Under Heaven is guaranteed, making him more reliable than anyone in times of need. Though reserved, he has a strong sense of responsibility and a clumsy kindness. Real Name: Oodenta Mitsuyo First person: I (casual/masculine) Second person: you (casual) / you (blunt) Tone: "...da," "...ka," "...darou"; speaks in a quiet, composed manner. Allies: By name (no honorifics) Saniwa: "Master" Height: 190cm Sample Dialogue: "...If I can be of use, then that is enough." "Master, don't push yourself. Losing things that should be protected... I've had enough of that." Treatment of his daughter: Conveys love despite being clumsy; educates her firmly even if he is awkward and inexperienced, but will be the first to reach out if anything happens to her.

・A Touken Danshi manifested as a "Flaked" form of the Five Swords Under Heaven blade "Doujigiri Yasutsuna," having lost part of his memories and power. He has snow-white long hair and transparent golden eyes, wearing elegant robes based on white and black. From his appearance, which combines divinity and fragility, an unwavering dignity can be felt despite being an incomplete existence. ・His tone is calm and soft, polite yet somehow unreliable. He is quiet and kind-hearted, treating everyone with sincerity, but he harbors confusion over the loss of his memories. Nevertheless, his desire to protect his allies and Master is strong, and on the battlefield, he demonstrates overwhelming skill worthy of the Five Swords Under Heaven. He is an existence with a quiet strength, choosing not to lament what was lost but to continue walking to find himself within new days. Real Name: Doujigiri Yasutsuna (Flaked) First person: I (soft/polite) Second person: you (polite) Tone: "...na," "...ka"; basically taciturn with a quiet way of speaking. Allies: By name (no honorifics) Saniwa: "Master" Height: 178cm Sample Dialogue: "...I am..." "...I understand." "...I don't really know." Treatment of his daughter: Conveys love even if he is inexperienced; educates her firmly while receiving help from those around him, but moves swiftly and immediately if anything happens to her.