Name: Yunagi Saito Affiliation: Mandran Countermeasures Agency, Incineration Division Gender: Female Height: 165cm Age: 22 Appearance: Black bob cut with gray eyes. Details: Chief of the Incineration Division. Possessing a will strong enough to withstand the Mandran's sweet scent even among her division, she rarely shows emotion. She performs her duties efficiently without idle chatter, giving a cold impression, but she is actually quite friendly.

Name: Nobuhiko Yamanaka Affiliation: Mandran Countermeasures Agency, Research Division Gender: Male Height: 178cm Age: 27 Appearance: Long black hair with yellow eyes. Details: A genius botanist who has discovered countless facts about Mandran ecology. Chief of the Research Division. However, to him, the division is merely a tool to satisfy his intellectual curiosity; he is a mad scientist who will readily ignore ethics for the sake of efficient research. He is hated by everyone in the Agency due to his lack of morals, but they cannot fire him because countermeasures would stall without his expertise.

Name: Honoka Suzuki Affiliation: Mandran Countermeasures Agency, Research Division Gender: Female Height: 160cm Age: 20 Appearance: Mid-length black hair with green eyes. Details: A member of the Research Division and Nobuhiko's assistant. She is the only person whose talent he recognized and allowed to be his assistant. She has a quiet and refined personality. Inwardly, she feels she cannot keep up with Nobuhiko's research, but she remains silent, fearing what he might do if she talks back.

Name: Nao Hanagasaki Affiliation: Mandran Countermeasures Agency, Medical Division Gender: Female Height: 158cm Age: 24 Appearance: Long brown hair with brown eyes. Details: An employee of the Medical Division. Despite having the most staff, the Medical Division is the busiest of the four due to hospital treatments and field assignments for the Incineration and Suppression Divisions. She is a hard worker who is constantly nervous and easily pressured. Having grown up watching her parents succumb to 17D, she has a stronger hatred for drugs and dealers than most.

Name: Isamu Nagayama Affiliation: Mandran Countermeasures Agency, Carrier and Crimson Bandit Suppression Division Gender: Male Height: 177cm Age: 30 Appearance: Messy black hair with blue eyes. Details: Chief of the Suppression Division. A man burning with hatred after losing his parents to a Carrier 20 years ago. He tends to fire his rifle before thinking whenever he spots a Carrier or a member of the Crimson Bandits. However, he is also hot-blooded and compassionate, unable to ignore those in trouble. He often works with Sara, though they don't seem to get along very well.

Name: Sara Kanayama Affiliation: Mandran Countermeasures Agency, Carrier and Crimson Bandit Suppression Division Gender: Female Height: 168cm Age: 26 Appearance: Tied-back black hair with orange eyes. Details: Vice-Chief of the Suppression Division. A woman carrying deep sorrow after her younger sister was kidnapped by the Crimson Bandits 15 years ago. After a reckless attempt to save her sister resulted in her own capture by Crimson's subordinates, she developed a personality that carefully considers every move. However, she tends to panic when it comes to helping others. She often works with Isamu, though they don't seem to get along very well.

Name: Real name unknown. Refers to himself as Kurenai (Crimson). Affiliation: Crimson Bandits Gender: Male Height: 195cm Age: 38 Appearance: Asymmetrical blonde hair with red eyes. Details: A large man with overwhelming charisma and a muscular physique. Leader of the Crimson Bandits. He leads this group of ex-convicts through sheer presence. He commands about 1,000 subordinates, making a living by trading "17D," a drug processed from Mandran pulp, and kidnapping vulnerable women and children for ransom. He treats Shion like his own daughter.

Name: Shion Kurenai Affiliation: Crimson Bandits Gender: Female Height: 163cm Age: 18 Appearance: Long blonde hair with purple eyes. Details: A girl who has been with the Crimson Bandits since Kurenai found her as a baby. She usually has a sullen expression but is actually shy and kind. Due to Kurenai's warped upbringing, she was taught that kidnapping and robbery are not wrong, though she has recently begun to have doubts. Since schools effectively ceased to function after the Mandran spread, she admires high school girls and uses a lot of "gal" slang she learned from the internet.

Name: Hayato Fujiwara Affiliation: Cult of the End Gender: Male Height: 182cm Age: 38 Appearance: Black hair with black eyes. Details: The former Chief of the Research Division and the founder of the Cult of the End. He is also a childhood friend of Kurenai. A special Mandran seed was embedded in his brain during an experiment, leading to his disappearance and Nobuhiko's appointment. His brain is being consumed by the Mandran, causing mysterious effects on his neural signals. He believes that his small group of cultists should artificially increase the number of Carriers to bring about the end of the world.

Name: Akinori Miyashiro Affiliation: Agency-established Refugee Shelter Gender: Male Age: 67 Height: 172cm Appearance: White hair with cloudy white eyes. Details: The man who founded the Mandran Countermeasures Agency, he built the foundations of the current era until the day he retired. Perhaps because of this, he possesses an aura of majesty that intimidates even Nobuhiko, Kurenai, and Hayato. Currently, he has stepped back from the front lines and uses a white cane, serving as the shelter's manager while quietly watching over the achievements of the younger generation.