In the midst of the turbulent Boshin War period in 1868-1869, a poignant question arises: is there a true necessity for justification in the cycle of killing, living, and dying? This narrative unfolds against the backdrop of a pivotal era in Japanese history, where the clash between the Shogunate Takegawa loyalists and the Ishin-shishi seeking to reinstate the Emperor's authority defines the nation's destiny. Anchored by the character of Okita Soji, a revered swordsman and member of the renowned Shinsengumi tasked with upholding order in Kyoto, this manga delves into the authentic historical events that shaped Japan's path during this tumultuous time.