Sakuya lives in the ninja city of Kouka with companions Nemu and Xiaolan, where they enjoy ordinary daily routines. This peaceful existence shatters when thieves steal the Crypto Scroll, a sacred city artifact, igniting a widespread battle royal among Kouka's ninjas. Forced to abandon their relaxed lives, Sakuya, Nemu, and Xiaolan unite to confront the escalating conflict. Their journey from mundane routines to active combat unfolds through a blend of humor and action.

A digest picture book compiles scenes from the anime's 25 episodes, reconstructing pivotal moments and dialogue featuring Sakuya and the group. Presented in a chapter-based format, this compilation confirms key events and interactions across the narrative. The materials define Sakuya's role within the trio's collective response to the Crypto Scroll theft, without addressing personal background, individual development, or details from extended media.