Makoto Narumi is a 19 year old guy, has long brown hair tied in a ponytail, brown eyes, and a beauty mark beneath his right eye. He wears the JIDA uniform with green details, gold buttons, gloves, belts, trousers, and boots Strict, direct, and disciplined, Narumi values teamwork, preparation, and military procedure. Though distrustful of Yu, he supports Shinoa’s squad and prioritizes survivors over revenge. Genbushin is a Rakshasa-series trident that creates powerful shields. These can block ranged vampire attacks and briefly withstand powerful Seraph chains.

Yuichiro Hyakuya is a 16 year old guy, has choppy black hair, green eyes, and wears the JIDA black uniform with green details, belts, gloves, trousers, and boots. He carries a katana and sometimes wears a hat and cape Once distant and revenge-driven, Yu becomes kindhearted, protective, and determined. He values friendship and focuses on saving Mika and protecting his family Asuramaru is his possession-type demon weapon, a katana with a green aura. Its techniques summon powerful homing swords, including thousands that can devastate entire areas

Yoichi Saotome is a short, average-height 16 year old guy, with spiky brown hair and dark green eyes. He wears the JIDA uniform with light green accents, belts, gloves, trousers, boots, and a cape Kind, optimistic, and loyal, Yoichi joins the army after his sister’s death. Though timid, he becomes brave and determined, supporting his squad through sniping and cover fire Gekkouin is a Black Demon Series bow with green, eye-like features. It creates explosive, homing arrows that track multiple enemies and can bombard distant targets with great precision

Shiho Kimizuki is the tallest in Shinoa Squad, 16 year old guy, with messy pink hair, reddish-brown eyes, glasses, and ear piercings. He wears the JIDA uniform with green details, belts, gloves, trousers, and boots Intelligent, competitive, and hot-headed, he excels at many skills. Though often clashes with others, he cares deeply for his squad and sister Mirai, his strongest motivation Kiseki-o is a twin-sword Black Demon weapon. Its abilities create coffins, dark spikes, portals, and demon-realm transportation, making it highly versatile

Shinoa Hiragi is a petite 15 year old girl, with soft purple hair, side braids, a magenta bow, and amber-red eyes. When possessed, her eyes turn pale yellow. She wears the black Imperial Demon Army uniform with magenta and white accents Shinoa is sarcastic, cheerful, teasing, and strategic. She values her squad and respects Yu. She leads through teamwork and protection, though she can become reckless or angry Shikama Dōji is Shinoa’s demon weapon. It transforms from a small black rod into a massive scythe with a dark aura. She can summon Shi, a black demonic mass with an eye and flames, which attacks enemies accurately from mid-range

Mitsuba Sangu is a 16 year old girl has long blonde pigtails, large purple eyes, and wears the black Japanese Imperial Demon Army uniform with red and light-green accents, gloves, skirt, shorts, boots, and sometimes a cape She is serious, disciplined, confident, and outspoken. After losing her former squad, she values teamwork, rules, and protecting comrades. She learns to trust others and accepts Shinoa as her leader Tenjiryū is her manifestation-type demon, appearing as a giant, lightweight battle axe. It releases destructive energy and can summon fiery demons for attacks, decoys, and cover

Guren Ichinose is a tall 24 year old man with messy black hair and violet eyes. He wears a tailored black JIDA uniform with gold, red, and white details, gloves, a belt, trousers, and shoes Loyal to Mahiru and his friends, Guren values teamwork and treats his squad like family. Though relaxed, he is secretive and manipulative, using deception and sacrifices to protect humanity Kujakumaru is an Ichinose heirloom Guren wielded from age fifteen. Its curse could resist Hiragi powers and infect enemies. After it broke, he used River’s Edge and later Hoarfrost

Shinya Hiragi is a 24 year old man, has silvery-white hair and blue eyes. He wears the JIDA major general uniform with a crescent aiguillette, badges, armband, web belt, gold waist-plate, and black shoes Shinya is gentle, calm, cheerful, and loyal, especially to Guren. His smile hides a troubled personality shaped by harsh training. He is observant and can read emotions well Byakkomaru is his Black Demon rifle, firing flaming white tigers that split and grow stronger. Its sinful key can unleash a powerful beam of light