Harumoto Kazunobu is an underling at a mafia office. One day, the office is attacked, and only he and the boss's young daughter, Mutsumi, survive. After being taken into police protection, the two are taken into hiding at Zenshou Temple, a famous Zen temple with over 700 years of history. However, what awaits them there is a life of training outside of the law… Death or the Zen path——!? A youth training graffiti of young unsuis (novice Buddhist monks).