Houji stands out as one of Shishio's most trusted lieutenants—ranking just below Yumi and Soujirou in the inner circle. He's the brains of the operation rather than a fighter; though he has no real combat skills, his talent for organization and leadership is genuinely unsettling. He's the guy who managed to acquire Rengoku, that massive battleship, on the black market—the same one Kenshin, Sanosuke, and Saito eventually destroy.
Before joining Shishio, Houji was a government official under the Meiji regime, but he lost faith in the system when he realized nobody in power was actually capable of leading the country. He walked away from that life and eventually found his way to Shishio, embracing the vision of Japan as a dominant force ruled by Shishio's brutal "survival of the fittest" philosophy. There's something almost religious about his devotion; fans often note that Shishio's intense body heat literally scarred him, which Houji interpreted as a kind of spiritual baptism that cemented his belief in Shishio as something greater than human.
When Kenshin defeats Shishio, Houji refuses to accept it. He'd been so confident in Shishio's strength that he'd destroyed the gun he kept hidden—but now, faced with the impossible, he tries to bring down the entire complex during Shishio's final moments. His thinking is chilling: if Kenshin dies in the collapse, there's no victor, and Shishio never truly loses. Anji and Soujirou save him as the building crumbles, and Anji convinces him to turn himself in. Houji agrees, planning to use the legal system as a platform for Shishio's ideology.
It doesn't work out that way. The government fears Houji's influence too much and denies him a trial. He kills himself in prison, slitting his throat and writing his final message in blood on the cell wall: "This world is dead to me now. I go to follow my master to hell." In the series' afterlife sequences, he's shown in Hell alongside Shishio and Yumi, pledging to follow Shishio wherever his ambitions take him next.
Content compiled by AnimeList.moe from publicly available sources.