In a lively yet tense ninja world, Hano Taichi and his friends were originally a group of friends who dreamed of becoming ninja stars. After experiencing village wars, family disputes and super-enemy attacks, they used wisdom, unity and humor to resolve crisis after crisis. The story focuses on ninja skills competition and hilarious adventures. It includes battles and life-and-death contests, as well as light-hearted and funny daily routines. In the process of challenging power and destiny, the partners gradually understood the meaning of growth, friendship and self-salvation, and ultimately protected the peace of the ninja world. The setting of the whole book is compact, the plot is ups and downs, both solemn and humorous, and the three volumes are interlocking.