Shinsengumi PEACE MAKER(2010)

Shinsengumi PEACE MAKER is a historical anime series following Tetsunosuke, a determined 15-year-old boy who seeks to join the legendary Shinsengumi samurai to avenge his murdered parents. Driven by grief and rage, Tetsunosuke discovers that membership in this fierce warrior group demands a terrible price: he must abandon his humanity and become a demon. Set during Japan's turbulent Bakumatsu period, the series explores the moral cost of vengeance as Tetsunosuke grapples with violence, loyalty, and the question of whether his quest for justice is worth losing his soul. The narrative blends historical detail with supernatural elements, charting one boy's transformation from idealistic youth to hardened warrior.