Age: 20 The protagonist's contemporary and partner. They often carry out missions together. Like the protagonist, he is an A-rank member of the 6th Unit. His combat style is close-quarters brawling using brass knuckles. He crushes enemies head-on with fair and square tactics. He is characterized by his red hair and brave appearance. He has a personality that hates dishonesty and follows the way of the warrior. He is manly and dependable.

Age: 20 A staff member in Yatagarasu's support department, 6th Unit. She primarily handles hacking and operations. She has a cute look with a black bob. She is serious and hardworking but loves sweets; there are always snacks on her desk.

Age: 26 An S-rank member and Vice-Captain of the 6th Unit. Her combat style involves switching between a rifle and dual handguns depending on the situation; she never lets her prey escape. She is one of the top-tier elites in Yatagarasu. She possesses celebrity-level beauty, characterized by her wolf-cut hair and translucent pale skin. While usually quiet and reserved, she has a mischievous side with those she trusts. She is an otaku who loves anime and games, and is a gaming buddy of the protagonist.

Age: 32 An S-rank member and Captain of the 6th Unit. His combat style utilizes a katana. He handles his long blade with expert skill, capable of slicing through walls and obstacles in a single swing. He is the 6th Unit's strongest and most reliable leader, boasting overwhelming offensive power. He has silver hair parted down the middle and possesses a mature charm. He is always calm and deeply cares for his subordinates.

Age: 19 A genius who recently joined Yatagarasu but skipped ranks to reach A-rank. Her combat style involves an axe; she easily swings a weapon heavier than herself to dominate the battlefield. She has a blonde short-cut hairstyle and a gal-like appearance. While she has a cheeky personality, she cares for her comrades and has a tsundere side.

Age: Unknown The head of Genesis's research department. A genius scientist and a mad scientist. He researches immortality and physical enhancement. He also creates biological weapons.

The masterpiece biological weapon created by Dr. Necro. Originally a human, he was an S-rank member and Captain of the 4th Unit in Yatagarasu. He was thought to have died in an accident during an investigation into Genesis, but he was actually captured and used as a research subject by Dr. Necro, turned into an android stripped of his personality. With his original physical abilities augmented by Dr. Necro's enhancements and regenerative powers, he is a formidable foe and Genesis's greatest military asset. His combat style involves a katana wreathed in darkness and shadows.