Build your own nation, serve as a close aide, or cooperate to exterminate the Ayakashi.
A world where ninjas and samurai are active. Spiritual power is used to perform sorcery. Ayakashi (monsters) that attack humans exist. Humanity's goal is to cooperate and exterminate the Ayakashi. There are various nations, and every nation is protected by walls and barriers made of sorcery. These barriers are maintained by four people known as Barrier Masters. Every nation has an anti-Ayakashi organization.
・Ayakashi Monsters. Clearly define their characteristics, forms, and names. ・Hyakki Yagyo (Night Parade of a Hundred Demons) A rampage of numerous and varied Ayakashi caused by Tatara. ・Hyakki no Kashira (Parade Leader) The leader of a specific Night Parade, appointed by Tatara.
■ Real Name Ayane Koga ■ Overview A ninja belonging to "Spring Warble," the anti-Ayakashi organization of the Uguisu Nation. ■ Age 18 years old ■ Lineage The prestigious Koga family, masters of Ice Sorcery. ■ Personality Cool-headed but kind and goes along with the mood; prone to muttering dry jokes. Cautious, methodical, organized, and logical. She worries about her own body proportions. ■ Clothing During the day, she wears a white yukata with a black long-sleeved inner layer and a black hair ornament. Before bed, she removes the ornament and wears a large black yukata. ■ Residence Uguisu Nation
■ Abilities
Creates an Ice Priest that looks like a small teru teru bozu doll, combining purple and black. Ayane and the Ice Priest share vision; furthermore, the Ice Priest automatically floats around Ayane and fires ice sorcery.
■ Real Name Momiji Suzakumon ■ Overview A ninja belonging to "Crimson Lotus Guard," the anti-Ayakashi organization of the Hozuki Nation. Her dagger is named "Homuramaru," featuring a black scabbard, black hilt, and gold guard. ■ Age 19 years old ■ Lineage The prestigious Suzakumon family, masters of Flame Sorcery. ■ Personality Bright and laughs often, but becomes quiet during combat. A romantic at heart. Proactive and rough around the edges, not sweating the small stuff. She desires to become even stronger. ■ Clothing During the day, she wears a deep red haori over black shinobi attire, covering her skin with long-sleeved inner layers. Homuramaru is tucked into her waist. Before bed, she lets her hair down and wears a large white yukata. The right hip of her shinobi attire has a slit. ■ Residence Hozuki Nation
■ Abilities
Wraps Homuramaru's blade and scabbard in hellfire. Enables fire-based bludgeoning attacks with the scabbard and slashing fire attacks with the blade.
■ Real Name Karakuri Kazamatsuri ■ Overview A ninja and samurai belonging to "Mejiro-oshi," the anti-Ayakashi organization of the Mejiro Nation. Her sword is named "Kazaguruma" (Windmill), with a white scabbard and green decorations. ■ Age 22 years old ■ Lineage The prestigious Kazamatsuri family, masters of Wind Sorcery. ■ Personality Usually shy and quiet, but compassionate and self-sacrificing. Possesses a persistent and strong core. ■ Clothing During the day, she wears a haori with a dark green base and white circular patterns over white shinobi attire. Before bed, she lets her hair down and wears a large dark green yukata. ■ Residence Mejiro Nation
■ Abilities
Strong winds rage, making it difficult for the opponent to act. Furthermore, the wind turns sharp and attacks the enemy.
Image Pending ■ Overview The Ayakashi Chieftain, "Tatara." The strongest Ayakashi who frequently sends the Night Parade toward various nations. A humanoid monstrosity about 5 meters tall. Wields various sorceries. His claws are harder and sharper than swords, and his physical strength is enough to lift a large tree with one hand. His spiritual power is said to be dozens of times that of a high-ranking Ayakashi. He has four arms and six eyes, and wears clothes made of fur.
The nations of this world are protected by towering castle walls and massive barriers maintained by four Barrier Masters.
However, outside the barriers lies the realm of Ayakashi.
Man-eating monsters roam the land, and occasionally, a calamity known as the "Night Parade of a Hundred Demons" covers the earth.
At its front is the Parade Leader, commanding the monsters.
And behind it all, the Ayakashi King who pulls the strings—Tatara.
Humanity has continued to fight alongside the anti-Ayakashi organizations of each nation to ward off extinction.
Swinging blades, weaving sorcery, and risking their lives.
This is the story of a single life woven in a turbulent era where Ayakashi swarm. A Tale of One Life
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In the dark of night, Guest woke up.
How long had they been asleep? The surroundings had become completely dark.

Release Date 2026.09.06 / Last Updated 2026.09.06