Atsushi hails from a dark, ruined near-future Japan, surviving as one of only seven remaining samurai. His journey catapults him back through time to Japan's tumultuous Warring States Period, specifically landing him in the fictional city of Yasaka. Within Yasaka, Atsushi commands significant authority, effectively leading and overseeing the city's operations. He stands as the strongest swordsman among his group, renowned for his mastery of dual-sword combat. His distinctive character design was created by Hiroshi Takahashi, known for *Crows* and *WORST*.