In the early twentieth century, Russo-Japanese War veteran Saichi 'Immortal' Sugimoto scratches out a meager existence during the post-war gold rush on the wild frontier of Hokkaido. When he stumbles across a map to a fortune in hidden Ainu gold, he sets off on a treacherous quest to find it. But Sugimoto is not the only interested party, and everyone who knows about the gold will kill to possess it! Faced with the harsh conditions of the northern wilderness, ruthless criminals and rogue Japanese soldiers, Sugimoto will need all his skills and luck-and the help of an Ainu girl named Asirpa-to survive. For mature audiences.

(W/A/CA) Satoru Noda Captured by renegade soldiers from the 7th Division, Sugimoto's life now rests in the hands of Asirpa and 'Escape King' Shiraishi, who must work together to save him. Meanwhile, Sugimoto's list of enemies continues to grow. Hijikata, the former leader of the legendary Shinsengumi, intensifies his own search for the hidden Ainu gold, and another adversary teams up with an expert hunter-who knows the wilderness of Hokkaido at least as well as Asirpa-to track Sugimoto down!

(W/A/CA) Satoru Noda Tetsuzo Nihei, the legendary Bear Killer, is determined to become the hunter who kills Retar, the last remaining Ezo wolf. Asirpa will never allow this, and she and Immortal Sugimoto race to stop his bloodthirsty quest. Meanwhile, Hijikata leads a band of death row inmates against Lt. Tsurumi

(W/A/CA) Satoru Noda Sugimoto and Asirpa's hunt for the tattooed treasure map has led them to a fishing village on the coast, where a deranged serial killer lies in wait. Lieutenant Tsurumi and his renegade soldiers are also hot on their trail, and if he catches up to them it's guaranteed that there will be hell to pay. Toshizo Hijikata also closes in, while an old friend shows up with a secret about Asirpa that no one wants to believe-but it just might take them closer to the gold than ever before... For mature audiences.

(W/A/CA) Satoru Noda Asirpa and Sugimoto are faced with a shocking truth-Noppera-bo, the criminal mastermind behind the stolen gold hoard...is Asirpa's father! To confirm this they decide to go to the impregnable Abashiri prison to attempt to meet him. Along the way they find more clues to the location of the gold, and make a stop in a hellish hotel. Meanwhile, Toshizo Hijikata lays down his own brand of justice in a lawless town... For mature audiences.

(W/A/CA) Satoru Noda After their run-in with the mad taxidermist Edogai, Asirpa, Sugimoto and Shiraishi still have unfinished business in Yubari. But if their goal is to meet Noppera-bo face-to-face, they will need to hear Shiraishi's story about how he escaped from the hellish Abashiri prison the first time. Toshizo Hijikata would also like to have a little chat with them regarding Noppera-bo, and there is the matter of the 7th Division, whose members are closing in... For mature audiences.

(W/A/CA) Satoru Noda Shiraishi is a master escape artist, but he's not very good at evading capture! After the 7th Division captures Shiraishi, Sugimoto and Hijikata join forces in an uneasy alliance to rescue him. With the help of Choan Kumagishi, one of the Abashiri convicts, they put a risky plan to free Shiraishi into action. Of course, Lieutenant Tsurumi isn't about to let these old foes get the better of him, setting the stage for another dangerous confrontation. For mature audiences.

(W/A/CA) Satoru Noda Sugimoto and Asirpa fi nally come face to face with Noppera-bo inside Abashiri prison, but as Asirpa looks into his eyes she realizes he is not her father!

(W/A) Satoru Noda If the hidden Ainu gold can ever be found, will it be worth the price paid for it in lives lost and ruined? Who really murdered the Ainu for their treasure? With Kiroranke dead, Ogata may have some answers, but after the confrontation on the ice of the Mamiya Strait he needs medical attention.

(W/A) Satoru Noda The search for the tattooed convicts leads Sugimoto, Asirpa and Shiraishi to the infamous Botaro the Pirate, a man with nearly superhuman swimming abilities. Tracking him down will test Sugimoto's claim of immortality! Meanwhile, a serial killer stalks the back alleys of Sapporo-but is he another escapee from Abashiri prison or someone else? The murders draw in Lieutenant Tsurumi and Hijikata, and a deadly confrontation is building-but this time, who is the hunter and who is the hunted? For mature audiences.

(W/A) Satoru Noda After the chaos at the Sapporo Brewery, all of the interested parties have come away with the knowledge they need to finally solve the coded tattooed skins. As the pieces fall into place, Sugimoto drifts to sleep, dreaming of a time before he was in the army, trying to make his way through the hustle and bustle of Tokyo. The seeds of Sugimoto's current situation were sown then, when he found himself caught up in the intrigues of competing military factions. It all leads to the final long-awaited discovery-the location of the hidden Ainu gold! For mature audiences.

(W/A/CA) Satoru Noda The coded tattooed skins have at last led everyone to the old fortress of Goryokaku, on the outskirts of Hakodate. Sugimoto's and Hijikata's groups have gotten there first, and are racing against time to find the hidden treasure before Lieutenant Tsurumi arrives with his forces. But is the gold really there? Did Wilk and his Ainu conspirators conceal something even more valuable all those years ago? What is the true legacy that Wilk left to Asirpa? The only answer that is certain is that the Battle of Hakodate is about to be fought once again! For mature audiences.