A new key visual, third PV trailer, and more cast members have been revealed for the upcoming Tohai: Ura Rate Mahjong Tohai Roku TV anime series. The anime will premiere in Japan on October 4, 2024.

The trailer previews the anime’s main opening theme “GAMBLING HALL” by Masayoshi Oishi.
Meanwhile, the new additional cast members include Toshihiko Seki as Hideharu Seki, Takehito Koyasu as Hatakeyama, and Yoko Hikasa as Ai.
They join a main voice cast that includes:
- • Kohsuke Tanabe as Kei
- • Ai Fairouz as Amina
- • Shunsuke Takeuchi as Doujima
- • Chinatsu Akasaki as Yuu Katsuragi
- • Tsuyoshi Koyama as Noriyuki Takatsu
Jun Hatori (Too Cute Crisis) is directing the anime series, with Mariko Kunisawa (Berserk of Gluttony) as series screenwriter, Sayaka Anesaki as character designer, and Yusuke Shirato and Yuki Kishida as music composers. EAST FISH STUDIO is in charge of the animation production.
Koji Shinasaka‘s original mahjong suspense manga ran in Akita Shoten’s Young Champion magazine from June 27, 2006 to April 12, 2011. Twelve total tankobon volumes were released in total.
The manga was later followed up with Tohai: Hitobashira-hen, Tohai: Minagoroshi-hen, and the ongoing Tohai: Cold Girl, which started in the same magazine on September 28, 2021 and features Amina as the main protagonist. Seven tankobon volumes of Cold Girl have been released as of June 2024.

The series has also inspired several spin-off works and a 2013 live-action film adaptation.
Pony Canyon describes the main synopsis of Tohai as:
Money, women, organs. Kei, a high school boy, frequents the underground mahjong parlor teeming with desires, earning him the moniker “K of the ICE” in the underworld due to his cold-hearted strategy and stylish gameplay. Rumors also circulate that he keeps a girl at his home.
Source: Tohai Official Anime Twitter, press release
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