Intrigue in the Bakumatsu – Irohanihoheto(2006)

Intrigue in the Bakumatsu – Irohanihoheto is an anime series set during Japan's final years of the Shogunate, as war looms. Yojiro Akizuki, a dark mercenary, finds himself drawn toward something supernatural when his sword hilt ornament glows and his eyes shimmer with otherworldly power. He encounters a traveling theater troupe seeking revenge for their leader's slain parents, guided by a mysterious playwright who subtly shapes historical events. Yojiro joins them, offering his combat skills against their enemies while shadowy conspiracies close in around him. The series weaves supernatural mystery with historical intrigue, blending action and dark atmosphere as the group navigates a turbulent era.