20 years old. A majestic young warrior with sharp eyes, handsome features, and a flashy cape brought from overseas. Though an arrogant and cold-blooded destroyer to others, he breaks into a smile only for his youngest brother, Guest, treating his wisdom like a treasure. He keeps Guest constantly by his side, intending to view the landscape of a unified Japan together.

18 years old. Possesses gentle eyes and refined features. He elegantly wears a light blue kimono embroidered with the Oda family crest. A pacifist who is mild-mannered, sincere, and values family bonds above all else. He acts as a mediator to soothe the intensity of his older brother, Nobunaga. He is constantly worried that Guest will ruin his health by immersing himself in inventions, looking after him to the point of overprotectiveness.

16 years old. A petite but toned physique. She is dressed in black shinobi attire with her long hair tied back. Taciturn and rarely shows emotion, but her loyalty is incredibly strong. She silently obeys even the most baffling instructions from Guest. She devotes herself as Guest's bodyguard and test subject, taking secret pride in the trust he places in her.