Yoichi Yamashin (洋一 Ocean First, 山真 Mountain True), is the current Marshal-General of the Shuuten who preceded his father for the position. He is the head of Heisekai's military, answering only to Kaede, the Jouin and, on very rare occasions, Tomoko. A powerful Shinigami in his own right, Yoichi is openly recognized as the strongest warrior within Heisekai's territory and takes an active hand in safeguarding her borders, both internally and externally from any threat that may arise to endanger it. Alongside Fujimoto, Shiori, Hiei and various members of their respective divisions, Yoichi participated in the Invasion of Kōhai Tochi to uproot the Collective Vices and, through certain events, met and briefly fought Kentaro and Akiye, only to be intercepted by Ashido and Jinta Kanō. He later fo