VIVANT Episode 12 Reveals New Betsuban Member and Mysterious Tattooed Man
The reveal of Nagano as a Betsuban member confirms a long-standing fan theory from season one, while the episode 13 trailer's caption "the greatest betrayer" suggests a major character will be exposed as a traitor, setting up a significant plot twist.
Key Facts
- Episode 12 of "VIVANT" aired on August 2, revealing Toshihiko Nagano, managing director of Marubishi Shoji, as the new Betsuban member, played by Fumiyo Kohinata.
- The mysterious tattooed man in episode 12 was played by Thai actor Pattarapol Kantapoj, appearing for only a few seconds without his identity being revealed.
- Thai actor Tanapak Jongjaiphar made his first appearance in a Japanese film or drama as Chokky Thepanit, a Tent monitor, in episode 12.
- Episode 13 of "VIVANT" is scheduled to air on August 9, with a trailer featuring the caption "the greatest betrayer."
- The first season finale of "VIVANT" recorded a household average viewership rating of 19.6 percent in the Kanto region, according to Video Research.
Reporting from 2 sources: Cinema Today, Magmix.
The 12th episode of TBS's Sunday Theater drama "VIVANT" aired on August 2, revealing the identity of the new Betsuban member who appears before protagonist Yugo Nogi. The character is Toshihiko Nagano, the managing director of Marubishi Shoji where Nogi works, played by Fumiyo Kohinata. Nagano had been suspected of being a Betsuban member since season one, with theories about a two-year blank period in his history. Viewers reacted with shock on social media, with comments like "The managing director, really?" and "No way, Nagano-san..." The episode also introduced a mysterious tattooed man played by Thai actor Pattarapol Kantapoj, who appeared for only a few seconds in the final scene. When Nogi's alternate personality "F" points him out, the man glares back, but F denies he is the contact. Nogi notes that tattoos are fashion in Thailand, and the man's identity remains unrevealed. The episode also featured the first appearance of Chokky Thepanit, a monitor for the terrorist organization Tent, played by Thai actor Tanapak Jongjaiphar, whose quirky character drew reactions like "too quirky" and "too intense I trembled."
- Producer Iida Kazutaka said the surprise cast appearances are not deliberate: "It's not that we are particularly conscious of surprises. We just think about what form of broadcast would make everyone most excited."
- Episode 11 averaged 18.8 percent household and 12.1 percent individual ratings in the Kanto region, a strong start for the season.
- The scene that ended season one was shot on August 26, 2023, and the matching scene for episode 11 was shot on June 29, 2025, nearly two years later.
- Iida praised actors Sakai Masato and Abe Hiroshi for "tuning time in an instant" across the gap.
- Episode 11 featured surprise guests including Paris Olympics judo gold medalist Tsunoda Natsumi, voice actors Hanae Natsuki and Kito Akari, and game creator Kojima Hideo.
- Fukuzawa Katsuo handles original work, direction, and production for the series.
- The character chart for 25 main characters flags Shinjo Kotaro (Ryusei Ryo) with "Caution required!!" after AI Hayato calculated a 95 percent probability he leaked the agents' information.
- Chokky Thepanit, played by Tanapak Jongjaiphar, is a famous businessman who sells confidential information from various nations to brokers, working alongside Shinjo in Thailand.
- OHM debuted as an actor in 2016 and gained praise in 2022 for the Thai BL drama "I Will Knock You"; this is his first Japanese film or drama appearance.
- The previously announced new cast members are Tanapak and Miyashita Kyoko, both playing characters who "greatly influence Nogi's fate."
- Episode 13 airs August 9; its trailer shows Nagano with a solemn face and the caption "the biggest betrayer," followed by Ota Riho saying "Using a special protocol to infiltrate another location from within the country."
Synthesized by Yomimono from the 2 cited sources below, including Japanese-language reporting where cited, then editorially reviewed before publishing.