Coco, a humble dressmaker's daughter, has always been fascinated by magic and the witches who cast it, despite the strict precautions they take to hide their methods from the public. However, when Coco takes advantage of a golden chance to spy on the skilled witch Qifrey, she realizes that her favorite picture book was a disguised magic book all along! In her excitement, she immediately starts testing out the various spells. When a spell causes a disaster in her home, Qifrey rescues her just in time and decides to train her, realizing that she is the first lead he has found that could help him track down the Brimmed Caps—a dangerous group of heretics who experiment with forbidden body-altering magic and spread magical artifacts among the commoners. But before Coco and Qifrey can confront the Brimmed Caps, she is going to have to improve her magical skills and learn to get along with Qifrey's other apprentices.

In the near future, Japan has completely collapsed due to a mix of nuclear warfare, natural disasters, and widespread corruption that sparked a revolution. The country is now split into three warring superpowers. This new era of the Three Kingdoms Period sees diplomacy vanish, replaced by a harsh, relentless fight for power. Each territory is using its military strength and resources against the others in a desperate attempt for total control over the remnants of Japanese land. Aoteru Misumi is a low-ranking official who has stayed in the background for most of his life. He does not come from a prestigious military background or aristocracy, but Misumi has a strong ambition: to end the pointless bloodshed that afflicts the nation. He seeks to unify the fractured country, armed only with sharp insight and a persuasive voice that can rally the people. The legend of the man who will become a brilliant military strategist starts now. (Source: MAL News)

Ex-convict Keiji Ueji appears in Sapporo, causing all the different factions to travel to the city in hopes of obtaining part of the map to the Ainu gold that is tattooed on his skin. At the same time, a figure who appears to be a copycat of Jack the Ripper terrorizes the streets of Sapporo. Saichi Sugimoto, Asirpa, and Yoshitake Shiraishi—joined by Fusatarou Boutarou the Pirate Oosawa and Vasily Pavlichenko—temporarily ally themselves with Toshizou Hijikata, as his faction's motives are somewhat less disturbing than those of Seventh Division's First Lieutenant Tokushirou Tsurumi. Asirpa attempts to collect all the information needed to tell apart the fake skins from the real ones, but she cannot decipher the map with certainty. Sugimoto swears never to part with Asirpa again, but the commotion around the serial killer allows for new betrayals and Tsurumi's plan for capturing Asirpa to advance. As the hunt for the gold nears its conclusion, the future of the Ainu rests in the hands of those who claim it first.

Seeking the key to the elixir of immortality, the group arrives at the fortress of the island's monstrous ruler, the Tensen. To survive and escape the island, cooperation becomes essential—regardless of whether one is a condemned criminal or an executioner. Meanwhile, the shogunate orders additional landings on the island of the Immortal Realm, led by Shugen Yamada Asayemon. Among them are the Ishigakure clan, who share a past with Gabimaru. Desperate to find the elixir and escape the island, Gabimaru and his companions face the Tensen in a battle that escalates into an all-out confrontation between humans and immortals! (Source: Twin Engine, edited)