Golden Kamuy - Season 2 - Eps 6: Ani Nekko
Tanigaki receives a telegram informing him that Huci is near death. He reflects on his friendship with Kenkichi, a fellow Matagi who married and later murdered Tanigaki's sister; he vowed revenge, and joined the 7th after hearing a rumor that Kenkichi had joined the army. He later enountered a dying and blinded Kenkichi at the Battle of 203 Hill, who told Tanigaki that he euthanized his sister after she caught smallpox. In the present, Tanigaki's group finds Asirpa, Sugimoto, Ogata and Shiraishi.
About Golden Kamuy

Title: Golden Kamuy
First Air Date: 2018-04-09
Last Air Date: 2023-06-26
Status: Returning Series
Rating: 7.6/10 (from 75 votes)
Language: JA
Seasons: 5
Total Episodes: 49
Network: Tokyo MX
Genres: Action & Adventure, Animation, Comedy
Production Companies: Geno Studio, Brain's Base, NBCUniversal Entertainment Japan, Sammy, Shueisha, jeki, Good Smile Company, Twin Engine, Tokyo MX
Synopsis
A Russo-Japanese War veteran partners with an Ainu girl to find a treasure stolen from her people, but they’re not the only ones pursuing the gold.
Cast

Chikahiro Kobayashi
Saichi Sugimoto (voice)

Haruka Shiraishi
Asirpa (voice)

Takayuki Sugo
Shinpachi Nagakura (voice)

Kentaro Ito
Shiraishi Yoshitake (voice)

Yoshimasa Hosoya
Genjirou Tanigaki (voice)

Toshihiko Seki
Kazuo Henmi (voice)

Jouji Nakata
Toshizou Hijikata (voice)

Kenjiro Tsuda
Hyakunosuke Ogata (voice)

Tomokazu Sugita
Kouhei Nikaidou / Youhei Nikaidou (voice)

Akio Otsuka
Tetsuzou Nihei (voice)