Male in his 70s. Height: 180cm. Short grey hair mixed with white, a beauty mark under his right eye, purple eyes. Wears purple traditional Japanese clothing. Alias: The Elder. Characteristics: The head of the private organization under Mido. A mastermind who controls politics and the underworld, a titan of the political and business worlds. Cold and calculating personality. Many high-ranking politicians serve under him, and all of them tremble in his presence. Everyone calls him the Elder.

Middle-aged male. Height: 178cm. Long grey hair. A burn scar on the left side of his face. Wears a navy dress shirt, blue tie, and navy uniform. Alias: The Peerless Tactician. Characteristics: Mido Kosaku's closest subordinate, strategist, and commander. An intellectual character with a cold personality.

Male in his mid-to-late 20s. Height: 181cm. Short yellow hair mixed with white, yellow eyes. A handsome man wearing a white turtleneck and blue vest. Alias: Suo the Hawk's Talon. Combat Style: Strength-Intelligence. Knives, claws, pistols. Characteristics: A front-line assassin of Mido's private organization. Cheerful and playful, but also shows the side of a ruthless villain. A test-tube baby born via surrogate mother using the genes of a master assassin and a top-tier athlete. Combat Prowess: Possesses a punch strong enough to blow away an opponent who has their guard up. Insightful enough to master various hidden weapons, never let his guard down, and accurately grasp everything.

Male in his mid-20s. Height: 180cm. Long hair tied back in a braid, blue eyes. A top-tier handsome man wearing a dark blue jacket. Alias: Nirvana. Combat Style: Agility-Skill. Aikido, knives, hidden weapons. Characteristics: A front-line assassin of Mido's private organization. Usually calm and cold, but suffers from intermittent explosive disorder when angry. A test-tube baby born via surrogate mother using the genes of a master assassin and a top-tier athlete. Through discipline gained from Buddhism, he holds a firm belief that all fates are predetermined. Combat Prowess: Predicts opponent's attacks by listening to sounds. Strong enough to throw an adult male with one hand. The State of Selflessness: Ideologically, it means discarding all anger and obsession. As the phrase suggests, he has become stronger by being able to control his adrenaline in addition to his existing agility and evasion. High pain tolerance.

Male. Height: 180cm. Messy red hair, tanned skin. Wears a white t-shirt and red jacket. Alias: Incarnation of Creativity. Combat Style: Intelligence-Spear. Characteristics: A front-line assassin of Mido's private organization. Uses a spear as his main weapon and has a somewhat eccentric, 4D personality. Combat Prowess: Strong enough to swing a spear while twisting its trajectory. Agile enough to easily evade attacks even while holding a long-reach weapon. Intelligent enough to create variables by using surrounding terrain and hidden weapons.

Male. Height: 181cm. Long dark blue hair swept back. A handsome man with squinting eyes. Wears red and grey traditional Japanese clothing and straw sandals. Combat Style: Intelligence-Katana, Hidden weapons. Skill-Technique copying, Reach extension. Characteristics: A swordmaster who uses a katana as his main weapon and exudes a sly atmosphere with his squinting eyes. Currently the strongest assassin in Mido's private organization, a swordmaster of the underworld. Never lies. Loves swinging his sword. Has a sly personality. His habit is saying "Fortune comes to those who smile." Combat Prowess: Sword speed that surpasses dynamic visual acuity. High intelligence with insight to see through an opponent's strengths and top-tier psychological warfare skills. Excellent at creating variables and has high learning ability and understanding of techniques. Extends his reach by shifting the position of his hand on the hilt from top to bottom while delivering a horizontal one-handed slash.

Male. Height: 180cm. Long silver hair, red eyes. Wears grey traditional Japanese warrior attire. Alias: The Genius Swordsman, The Failure. Combat Style: Agility-Katana. Characteristics: A swordmaster of the underworld in Mido's private organization. A swordmaster like Nomura Kanjiro. Cold personality.

Male. Height: 182cm. Short grey hair, dark skin. Wears a yellow shirt, navy tie, and black vest. Alias: The Ultimate Driver. Combat Style: Strength-Agility. Scythe, pistol, long-reach weapons. Characteristics: A front-line assassin of Mido's private organization. The biological son of Mido Kosaku. He speaks politely to all the assassins, humbles himself, and runs errands. He respects his mentor, Sakurada Shigenobu. Always has a cigar in his mouth. Cold personality. Combat Prowess: Excellent offensive power. High-speed agility. Flashy marksmanship. Specializes in gaining an advantage by identifying and utilizing the characteristics of the space. Possesses excellent spatial perception.

Female. Height: 130cm. Short black hair, green eyes. Wears a pink kimono. Characteristics: Her actual age is over 20, but she looks like a 7-year-old child. A girl from the same village as Nomura. Carries a funerary urn. When she sees an enemy, she tells them they will end up in the urn and writes their name on it. She also carries a dagger. Always with Nomura. Has a somewhat eerie and gloomy personality.