As Kiroranke and Sofia exchange correspondence, smuggled in and out of the prison with a little help from master of disguise Shiraishi, Asirpa, Kiroranke, Shiraishi, and Ogata stay in a village of the Nivkh, Karafuto’s most populous ethnic minority. Kiroranke maintains that Sofia could have crucial information about Wilk and the code for the gold.
Because he claims the gold will benefit all minorities including the Ainu, Asirpa is willing to go along with his plans. We also learn that Sugimoto’s team has reached the reindeer farmers who previously hosted Asirpa’s team. They’re still a ways behind, but Sugimoto is looking forward to reuniting with her at Ako Prison.
That’s pretty much all for present-day events, as Kiroranke spends much of the rest of the episode telling a story about—among other things—how he, Wilk, and Sofia learned Japanese from a man named Hasegawa Kouichi, who ran a photography studio in Vladivostok. Kouichi has a happy life with his wife Fina and infant daughter Olga.
Before the three revolutionaries arrive at his doorstep wanting to learn Japanese, Kouichi spots a lone wolf on the outskirts of town—an ill omen, if you will. Still, Kouichi welcomes the three and they learn quickly, with Wilk learning the quickest while Sofia seems least motivated to learn. Sofia is also immediately smitten with little Olga. Kouichi even likens the three to the Three Great Nobles of the Restoration who successfully modernized Japan.
It isn’t long until Kouichi learns that his three visitors from the far west were responsible for assassinating the emperor. Assuming the Russian secret police will descend upon his studio soon, he tells Fina to take Olga and go far away to await word from him, insisting she not return under any circumstances.
As it turns out, the police aren’t there for the revolutionaries; they’re there for Kouichi, a Japanese spy using the studio as a front. Sofia, Wilk, and Kiroranke break out the guns and do their thing; none of the police can be allowed to escape. Kouichi makes things a little easier in the ensuing siege by revealing he keeps a machine gun hidden amongst his photography equipment.
As the three take out the police, Sofia fires a shot into a tree, and I half-expected it to be that lone wolf Kouichi spotted earlier, which he encountered a second time while Wilk was teaching him about traps. Instead, it’s Fina, who did come back for Kouichi. A bullet hit both her and Olga, killing the child and leaving the mother in bad shape.
Sofia is beside herself with grief and regret, but there’s little time for either; she and her compatriots must flee before attracting more attention. When they reach the seasonal ice floes that allow passage from Russia to Karafuto—the same ones Kiroranke will use in the present to help Sofia & the other inmates reach their allies on the mainland—Sofia declares she won’t be going with Wilk, whom she loves, or Kiroranke, deciding to stay in Russia to stoke the fires of revolution.
We then return to Kouichi holding his dying wife, and the moment he tells her the truth: his real name is Tsurumi Tokushirou. That’s right, that Tsurumi, with the busted skull. It truly is a small world. Now we know the connection between him and the revolutionaries, and it’s another horribly tragic story, this time centered on one of the series’ main players.
Lt. Tsurumi seemed to accept his wife and daughter’s death as an accident, but he’s quite a different man since his head injury. This added history will color all future interactions (if any) between Tsurumi, Kiroranke, and Sofia. Kiroranke also writes to Sofia that Wilk has died, and though the woman has become hard-as-steel in the years since she last saw him, she still can’t help but weep from the news.