Ninja vs. Gokudo (忍者と極道) is a Japanese manga series written and illustrated by Shinsuke Kondō. It began serialization on Kodansha's Comic Days website in January 2020. An anime television series adaptation produced by Studio Deen aired from October to December 2025.
Plot
An ancient war between ninja and yakuza has raged for over three centuries, resurfacing across eras as societies rise and fall. In the modern age, Shinoha Tanaka, a young ninja traumatized by his past and is unable to laugh, encounters Kiwami Kimura, a seemingly ordinary office worker who secretly leads a powerful yakuza faction. Unaware of each other's true identities, the two form an unlikely bond through shared interests, creating a fragile sense of normalcy amid hidden danger. Their friendship unfolds as tensions between ninja clans and yakuza organizations escalate once more, reigniting the long-standing blood feud.
Characters
- Shinoha Tanaka (多仲 忍者)
- Kiwami Kimura (輝村 極道)
- Zanzo Kazai (神賽 惨蔵)